VI INDEX

INDEX TO SUBJECTS IN VOLUME LXXIII

ACTIVITY of Para-Influenza 3 Virus. The Nature of Substances Present in Normal Bovine Sera Inhibiting the ... P. S.

PAGE

Dawson .. 428 (Adenoacanthoma) in the Bovine Ovary. Carcinoma with

Squamous Metaplasia ... J. D. O'Shea 437 Adrenal Weight, Body Weight and Sex, in the Sheep. A Definitive

Correlation between Mean ... W. M. Stokoe 176 African (Cape) Buffalo (Syncerus caffer caffer, Sparrman). Tuber-

culosis in the Free Living ... P. D. L. Guilbride, D. H. L. Rollinson, E. G. McAnulty, J. G. Alley and E. A. Wells 337

Alimentary Canal of the Horse and Pig. Production and Fermen-tation of Lactate by Bacteria in the ... F. Alexander and M. Elizabeth Davies

Antibiotics and Biochemical Activities of Serotypes of Bovine Staphylococci. Sensitivity to ... F. White, E. A. S. Rattray and D. J. G. Davidson.. 21

Antibody Response of Calves to Dictyocaulus viviparus. IV. A Com­parison of Antigens. Complement Fixing ... R. L. Cornwell 297

Antigens. Complement Fixing Antibody Response of Calves to Dictyocaulus viviparus. IV. A Comparison of ... R. L. Cornwell 297

Antigenic Potency Tests on a Single Batch of Newcastle Disease Vaccine used as a Working Standard ... C. R. Coid, G. N. W oode, L. A. Baker and R. Peacock 424

Aortic Disease in a Bennett's Wallaby ... D. Heath and T. P. Whitehead 439

BACTERIA in the Alimentary Canal of the Horse and Pig. Produc­tion and Fermentation of Lactate by ... F. Alexander and M. Elizabeth Davies

Bennett's Wallaby. Aortic Disease in a ... D. Heath and T. P. Whitehead 439

Berenil. A Strain of Trypanosoma congolense directly Resistant to ... E. F. Whiteside 167

Biochemical Activities of Serotypes of Bovine Staphylococci. Sensitivity to Antibiotics and ... F. White, E. A. S. Rattray and D. J. G. Davidson .. 21

Blood and Plasma Copper Levels of Sheep in Swayback Flocks. Factors Influencing the ... E. J. Butler and R. M. Barlow 107

Bovine Staphylococci. Sensitivity to Antibiotics and Biochemical Activities of Serotypes of ... F. White, E. A. S. Rattray and D. J. G. Davidson 21

Bovine Mucosal Disease. The Isolation, Separation and Indenti-fication of Two Viruses from a Case of ... J. H. Darbyshire 309

Bovine Sera Inhibiting the Activity of Para-Influenza 3 Virus. The Nature of Substances Present in Normal ... P. S. Dawson 428

Bovine Ovary. Carcinoma with Squamous Metaplasia (Adenoa-canthoma) in the ... J. D. O'Shea 437

INDEX vii PAGE

Bracken Rhizomes on the Pig. Effects of. .. I. Antice Evans, D.J. Humphreys, Linda Goulden, A. J. Thomas and W. C. Evans 229

Brain of a Cow. Squamous-Cell Carcinoma of the Leptomeninges and ... J. E. Peterson 163

British Wild Foxes. (Vulpes vulpes). The Toxicity of some Chlorin-ated Hydrocarbon Insecticides to ... D. K. Blackmore 391

Buffalo (Syncerus caffer caffer, Sparrman). Tuberculosis in the Free Living African (Cape) ... P. D. L. Guilbride, D. H. L. Rollin-son, E. G. McAnulty, J. G. Alley and E. A. Wells " 337

CALCULI in the Dog. II. Urate Stones and Purine Metabolism. Urinary ... P. Porter .. 119

Calves to Dictyocaulus viviparus. IV. A Comparison of Antigens. Complement Fixing Antibody Response of ... R. L. Cornwell 297

Calves Associated with Unusual Lesions in the Mesencephalon. Hydrocephalus in ... R. M. Barlow and L. G. Donald 410

Canine Origin. Studies of Proteus Organisms of ... G. Fraser .. 9 Canine Prostate Gland. II. Prostatic Neoplasms. Studies on the

... J. D. O'Shea.. 244 Carcinoma of the Leptomeninges and Brain of a Cow. Squamous-

Cell ... J. E. Peterson .. 163 Carcinoma with Squamous Metaplasia (Adenoacanthoma) in the

Bovine Ovary ... J. D. O'Shea 437 Central Nervous System. Further Observations on Swayback.

II. Histochemical Localization of Cytochrome Oxidase Activity in the ... R. M. Barlow 61

Chlorinated Hydrocarbon Insecticides to British Wild Foxes, (Vulpes vulpes). The Toxicity of Some ... D. K. Blackmore. . 391

Clinical and Pathological Findings in an Outbreak of Pneumonia in Sheep ... N. J. L. Gilmour and J. G. Brotherston 329

Complement-Fixation in the Diagnosis of Rinderpest. Time and Temperature of ... A. K. MacLeod and G. R. Scott 88

Complement Fixing Antibody Response of Calves to Dictyocaulus viviparus. IV. A Comparison of Antigens ... R. L. Cornwell 297

Cooperia oncophora. Ecological Observations and Laboratory Experiments on the Free-Living Stages of ... J. H. Rose .. 285

Copper Levels of Sheep in Swayback Flocks. Factors Influencing the Blood and Plasma ... E. J. Butler and R. M. Barlow 107

Correlation Between Mean Adrenal Weight, Body Weight and Sex, in the Sheep. A Definitive ... W. M. Stokoe .. 176

Cow. Experimental Magnesium Deficiency in the ... J. A. F. Rook 93

Cytochrome Oxidase Activity in the Central Nervous System. Further Observations on Swayback. II. Histochemical Localization of ... R. M. Barlow 61

Cytomegalic Inclusion-Body Disease in Sheep-A Report of Two Cases ... W. J. Hartley and J. T. Done 84

viii INDEX

DEGENERATION in a Group of Housed Sheep Experimentally Infected with Haemonchus contortus. Polio-Encephalomalacia Associated with Myocardial ... 1. Zlotnik, D. 1. Nisbet and

PAGE

J. A. Campbell .. 39

Diagnosis of Rinderpest. Time and Temperature of Complement-Fixation in the .... A. K. MacLeod and G. R. Scott 88

Diagnosis of Sheep Pox and Goat Pox. An Immuno-Diffusion Test for Laboratory ... B. D. Bhambani and D. Krishna Murty 349

Dictyocaulus viviparus. IV. A Comparison of Antigens. Complement Fixing Antibody Response of Calves to ... R. L. Cornwell 297

Dimetridazole. Immunity to Histomoniasis in Turkeys Following Treatment with ... L. P. Joyner 201

Disintegration of Sheep Dung and the Pre-Parasitic Stages of Trichostrongylids. The ... M. G. Christie 416

Dog. II. Urate Stones and Purine Metabolism. Urinary Calculi in the ... P. Porter 1 19

Dung and the Pre-Parasitic Stages of Trichostrongylids. The Disintegration of Sheep ... M. G. Christie .. 416

ECOLOGICAL Observations and Laboratory Experiments on the Free-Living Stages of Cooperia oncophora ... J. H. Rose 285

Eimeria in the Domestic Fowl. Design of Therapy for the Control of Species of ... S. F. M. Davies and L. P. Joyner. . 379

Enterovirus of Swine. Isolation in Tissue Culture of a Strain (FS55) of the Teschen Group of Viruses. Studies on ... Sheila F. Cartwright and R. A. Huck 27

Epidemiology of Infectious Laryngo-tracheitis of Poultry. Further Observations on the ... F. T. W. Jordan 253

Escherichia coli and Scours. The Intestinal Flora of Young Pigs, with Reference to Early Weaning ... R. Kenworthy and W. E. Crabb 215

Experimental Magnesium Deficiency in the Cow ... J. A. F. Rook 93 Experimental Osteopetrosis in the Turkey ... J. R. Holmes 136 Experimental Transmission of Scrapie from Sheep and Goats to

Laboratory Mice. Further Observations on the ... 1. Zlotnik and J. C. Rennie 150

Experimental Infection with Mycoplasma mycoides . .. N. St. G. Hyslop 265

Experimentally Infected with Haemonchus contortus. Polio­Encephalomalacia Associated with Myocardial Degeneration in a Group of Housed Sheep ... 1. Zlotnik, D. 1. Nisbet and J. A. Campbell .. 39

Experiments on the Free-Living Stages of Cooperia oncophora. Ecological Observations and Laboratory ... J. H. Rose 285

FERMENTATION of Lactate by Bacteria in the Alimentary Canal of the Horse and Pig. Production and ... F. Alexander and M. Elizabeth Davies

INDEX

Flora of Young Pigs, with Reference to Early Weaning, Escherichia coli and Scours. The Intestinal ... R. Kenworthy and W. E.

ix PAGE

Crabb 215 Fowl. Design of Therapy for the Control of Species of Eimeria in

the Domestic ... S. F. M. Davies and L. P. Joyner. . 379 Foxes (Vulpes vulpes). The Toxicity of Some Chlorinated Hydro-

carbon Insecticides to British Wild ... D. K. Blackmore 391 Free-Living Stages of Cooperia oncophora. Ecological Observations

and Laboratory Experiments on the ... J. H. Rose 285

GOATS to Laboratory Mice. Further Observations on the Experi­mental Transmission of Scrapie from Sheep and ... I. Zlotnik and J. C. Rennie 150

Goat Pox. An Immuno-Diffusion Test for Laboratory Diagnosis of Sheep Pox and ... B. D. Bhambani and D. Krishna Murty 349

Goats and a Horse. Pathology of Melioidosis in Pigs ... A. R. Omar 359

HAEMONCHUS contortus. Polio-Encephalomalacia Associated with Myocardial Degeneration in a Group of Housed Sheep Experi­mentally Infected with ... I. Zlotnik, D. I. Nisbet and J. A. Campbell 39

Hamsters. The Pathogenesis of Mycobacterium johnei in Orally Dosed ... N.J. L. Gilmour,J. Campbell andJ. G. Brotherston 98

Histochemical Localization of Cytochrome Oxidase Activity in the Central Nervous System. Further Observations on Sway-back. II .... R. M. Barlow 61

Histomoniasis in Turkeys Following Treatment with Dimetri-dazole. Immunity to ... L. P. Joyner 201

Horse and Pig. Production and Fermentation of Lactate by Bacteria in the Alimentary Canal of the . . . F. Alexander and M. Elizabeth Davies

Horse. Pathology of Melioidosis in Pigs, Goats and a ... A. R. Omar 359

Hydrocarbon Insecticides to British Wild Foxes (Vulpes vulpes). The Toxicity of some Chlorinated ... D. K. Blackmore 391

Hydrocephalus in Calves Associated with Unusual Lesions in the Mesencephalon ... R. M. Barlow and L. G. Donald 410

IMMUNITY to Histomoniasis in Turkeys Following Treatment with Dimetridazole ... L. P. Joyner 201

Immuno-Diffusion Test for Laboratory Diagnosis of Sheep Pox and Goat Pox. An ... B. D. Bhambani and D. Krishna Murty.. 349

Inactivitated Newcastle Disease Vaccine ... S. A. Keeble and J. A. Wade 186

Inclusion-Body Disease in Sheep-A Report of Two Cases. Cyto-megalic ... W. J. Hartley and J. T. Done 84

Infectious Laryngo-Tracheitis of Poultry. Further Observations on the Epidemiology of ... F. T. W. Jordan 253

x INDEX

PAGE

Insecticides to British Wild Foxes (Vulpes vulpes). The Toxicity of Some Chlorinated Hydrocarbon ... D. K. Blackmore 391

Intestinal Flora of Young Pigs, with Reference to Early Weaning, Escherichia coli and Scours. The ... R. Kenworthy and W. E. Crabb 215

Intratubular Seminomas in Testes of Sheep ... Rue Jensen and ]. C. Flint 146

Isolation in Tissue Culture of a Strain (FS55) of the Teschen Group of Viruses. Studies on Enterovirus of Swine ... Sheila F. Cartwright and R. A. Huck. . 27

Isolation, Separation and Identification of Two Viruses from a Case of Bovine Mucosal Disease. The ... ]. H. Darbyshire 309

JOHNEI, in orally Dosed Hamsters. The Pathogenesis of Myco­bacterium . .. N. ]. L. Gilmour, ]. Campbell and ]. G. Brotherston 98

LABORATORY Experiments on the Free-Living Stages of Cooperia oncophora. Ecological Observations and ... ]. H. Rose 285

Lactate by Bacteria in the Alimentary Canal of the Horse and Pig. Production and Fermentation of ... F. Alexander and M. Elizabeth Davies ..

Laryngo-Tracheitis of Poultry. Further Observations on the Epidemiology of Infectious ... F. T. W. Jordan 253

Leptomeninges and Brain of a Cow. Squamous-Cell Carcinoma of the ... ]. E. Peterson 163

Lymphogranuloma-venereum Group Viruses in Sheep. Com­parison between a Faecal and an Enzootic Abortion Strain. Psittacosis ... M. R. Wilson and D. L. Dungworth 277

MAGNESIUM Deficiency in the Cow. Experimental ... J. A. F. Rook 93 Melioidosis in Pigs, Goats and a Horse. Pathology of ... A. R.

Omar 359 Mesencephalon. Hydrocephalus in Calves Associated with

Unusual Lesions in the ... R. M. Barlow and L. G. Donald 410 Metaplasia (Adenoacanthoma) in the Bovine Ovary. Carcinoma

with Squamous ... ]. D. O'Shea 437 Mice. Further Observations on the Experimental Transmission of

Scrapie from Sheep and Goats to Laboratory ... 1. Zlotnik and]. C. Rennie 150

Molybdate and Sulphate Supplements During Pregnancy. Copper Deficiency in Relation to Swayback in Sheep. 1. Effect of ... E.]. Butler and R. M. Barlow. . 208

Mucosal Disease. The Isolation, Separation and Identification of Two Viruses from a Case of Bovine ... ]. H. Darbyshire 309

Mycobacterium johnei in Orally Dosed Hamsters. The Pathogenesis of. .. N.]. L. Gilmour,]. Campbell and]. G. Brotherston.. 98

Mycoplasma mycoides. Experimental Infection with. . N. St. G. Hyslop 265

INDEX

Myocardial Degeneration in a Group of Housed Sheep Experi­mentally Infected with Haemonchus contortus. Polio-Encephalo­malacia Associated with ... I. Zlotnik, D. I. Nisbet and J. A.

Xl

PAGE

Campbell 39

NERVOUS System. Further Observations on Swayback. II. Histo­chemical Localization of Cytochrome Oxidase Activity in the Central ... R. M. Barlow 61

Neutralisation Test in Tissue Culture. Newcastle Disease: A Serum ... R. W. Crowther 373

Newcastle Disease Vaccine. Inactivated ... S. A. Keeble and ]. A. Wade 186

Newcastle Disease: A Serum Neutralization Test in Tissue Culture ... R. W. Crowther 373

Newcastle Disease Vaccine used as a Working Standard. Anti-genic Potency Tests of a Single Batch of ... C. R. Coid, G. N. Woode, L. A. Baker and R. Peacock 424

ORALLY Dosed Hamsters. The Pathogenesis of Mycobacterium johnei in ... N. ]. L. Gilmour, ]. Campbell and ]. G. Brotherston 98

Organisms of Canine Origin. Studies of Proteus . .. G. Fraser 9 Osteopetrosis in the Turkey. Experimental ... ]. R. Holmes 136 Ovary. Carcinoma with Squamous Metaplasia (Adenoacan-

thoma) in the Bovine ... ]. D. O'Shea 437 Ovine Pneumonia. III. Placental Infection by Pneumonitis Virus.

The Pathogenesis of ... D. L. Dungworth 68 Oxidase Activity in the Central Nervous System. Further Observa-

tions on Swayback. II. Histochemical Localization of Cyto-chrome ... R. M. Barlow 6 I

PARA-INFLUENZA 3 Virus. The Nature of Substances Present in Normal Bovine Sera Inhibiting the Activity of ... P. S. Dawson .. 428

Pathogenesis of Ovine Pneumonia. III. Placental Infection by Pneumonitis Virus. The ... D. L. Dungworth 68

Pathogenesis of Mycobacterium johnei in Orally Dosed Hamsters. The ... N.]. L. Gilmour,]. Campbell and]. G. Brotherston 98

Pathological Findings in an Outbreak of Pneumonia in Sheep. Clinical and ... N.]. L. Gilmour and]. G. Brotherston 329

Pathology. Further Observations on Swayback. I. Transitional ... R. M. Barlow 51

Pathology of Melioidosis III Pigs, Goats and a Horse ... A. R. Omar . . 359

Pig. Production and Fermentation of Lactate by Bacteria in the Alimentary Canal of the Horse and ... F. Alexander and M. Elizabeth Davies

Pig. Effects of Bracken Rhizomes on the ... I. Antice Evans, D.]. Humphreys, Linda Goulden, A. J. Thomas and W. C. Evans 229

xii INDEX

PAGE

Pigs, with Reference to Early Weaning, Escherichia coli and Scours. The Intestinal Flora of Young ... R. Kenworthy and W. E. Crabb 215

Pigs, Goats and a Horse. Pathology of Melioidosis in ... A. R. Omar 359

Placental Infection by Pneumonitis Virus. The Pathogenesis of Ovine Pneumonia. III .... D. L. Dungworth 68

Plasma Copper Levels of Sheep in Swayback Flocks. Factors Influencing the Blood and ... E. J. Butler and R. M. Barlow 107

Pneumonia. III. Placental Infection by Pneumonitis Virus. The Pathogenesis of Ovine ... D. L. Dungworth . . 68

Pneumonia of Sheep ... J. T. Stamp and D. I. Nisbet .. 319 Pneumonia in Sheep. Clinical and Pathological Findings in an

Outbreak of ... N. J. L. Gilmour and J. G. Brotherston 329 Pneumonitis Virus. The Pathogenesis of Ovine Pneumonia. III.

Placental Infection by ... D. L. Dungworth 68 Polio-Encephalomalacia Associated with Myocardial Degeneration

in a Group of Housed Sheep Experimentally infected with Haemonchus contortus . .. I. Zlotnik, D. I. Nisbet, and J. A. Campbell 39

Potency Tests on a Single Batch of Newcastle Disease Vaccine used as a Working Standard. Antigenic ... C. R. Coid, G. N. Woode, L. A. Baker and R. Peacock .. 424

Poultry. Further Observations on the Epidemiology of Infectious Laryngo-Tracheitis of ... F. T. W. Jordan 253

Pox. An Immuno-Diffusion Test for Laboratory Diagnosis of Sheep Pox and Goat ... B. D. Bhambani and D. Krishna Murty 349

Pregnancy. Copper Deficiency in Relation to Swayback in Sheep. I. Effect of Molybdate and Sulphate Supplements During · .. E. J. Butler and R. M. Barlow 208

Pre-Parasitic Stages of Trichostrongylids. The Disintegration of Sheep Dung and the ... M. G. Christie 416

Prostate Gland. II. Prostatic Neoplasms. Studies on the Canine · .. J. D. O'Shea 244

Proteus Organisms of Canine Origin. Studies of ... G. Fraser .. 9 Psittacosis Lymphogranuloma-Venereum Group Viruses in Sheep.

Comparison between a Faecal and an Enzootic Abortion Strain ... M. R. Wilson and D. L. Dungworth 277

RESISTANCE to Homidium in a Strain of Trypanosoma vivax Trans­mitted by Tsetse Fly. An Attempt to Produce ... L. E. Stephen .. 76

Resistant to Berenil. A Strain of Trypanosoma congolense directly · .. E. F. Whiteside 167

Rhizomes on the Pig. Effects of Bracken ... I. Antice Evans, D. J. Humphreys, Linda Goulden, A. J. Thomas and W. C. Evans 229

Rinderpest. Time and Temperature of Complement-Fixation in the Diagnosis of ... A. K. MacLeod and G. R. Scott 88

INDEX XIll

SCOURS. The Intestinal Flora of Young Pigs, with Reference to Early Weaning, Escherichia coli and ... R. Kenworthy and

PAGE

W. E. Crabb 215 Scrapie from Sheep and Goats to Laboratory Mice. Further

Observations on the Experimental Transmission of ... 1. Zlotnik and J. C. Rennie 150

Seminomas in the Testes of Sheep. Intratubular ... Rue Jensen . and J. C. Flint .. 146

Sera Inhibiting the Activity of Para-Influenza 3 Virus. The Nature of Substances Present in Normal Bovine ... P. S. Dawson .. 428

Serotypes of Bovine Staphylococci. Sensitivity to Antibiotics and Biochemical Activities of ... F. White, E. A. S. Rattray and D. J. G. Davidson 21

Serum Neutralisation Test in Tissue Culture. Newcastle Disease: A ... R. W. Crowther .. 373

Sex, in the Sheep. A Definitive Correlation between Mean Adrenal Weight, Body Weight and ... W. M. Stokoe 176

Sheep Experimentally Infected with Haemonchus contortus. Polio­Encephalomalacia Associated with Myocardial Degeneration in a Group of Housed ... 1. Zlotnik, D. 1. Nisbet and J. A. Campbell 39

Sheep-A Report of Two Cases. Cytomegalic Inclusion-Body Disease in ... W. J. Hartley and J. T. Done 84

Sheep in Swayback Flocks. Factors Influencing the Blood and Plasma Copper Levels of . . . E. J. Butler and R. M. Barlow 107

Sheep. Intratubular Seminomas in Testes of ... Rue Jensen and J. C. Flint 146

Sheep and Goats to Laboratory Mice. Further Observations on the Experimental Transmission of Scrapie from ... 1. Zlotnik and J. C. Rennie 150

Sheep. A Definitive Correlation between Mean Adrenal Weight, Body Weight and Sex, in the ... W. M. Stokoe 176

Sheep. 1. Effect of Molybdate and Sulphate Supplements During Pregnancy. Copper Deficiency in Relation to Swayback in ... E. J. Butler and R. M. Barlow 208

Sheep. Comparison between a Faecal and an Enzootic Abortion Strain. Psittacosis Lymphogranuloma- Venereum Group Viruses in ... M. R. Wilson and D. L. Dungworth .. 277

Sheep. Pneumonia of. .. J. T. Stamp and D. 1. Nisbet. . 319 Sheep. Clinical and Pathological Findings in an Outbreak of

Pneumonia in ... N. J. L. Gilmour and J. G. Brotherston. . 329 Sheep Pox and Goat Pox. An Immuno-Diffusion Test for

Laboratory Diagnosis of ... B. D. Bhambani and D. Krishna Murty 349

Sheep Dung and the Pre-Parasitic Stages of Trichostrongylids. The Disintegration of ... M. G. Christie 416

Squamous-Cell Carcinoma of the Leptomeninges and Brain of a Cow. J. E. Peterson 163

XIV INDEX

PAGE

Squamous Metaplasia (Adenoacanthoma) m the Bovine Ovary. Carcinoma with ... J. D. O'Shea 437

Staphylococci. Sensitivity to Antibiotics and Biochemical Activities of Serotypes of Bovine.. F. White, E. A. S. Rattray and D. J. G. Davidson 21

Sulphate Supplements During Pregnancy. Copper Deficiency in Relation to Swayback in Sheep. I. Effect of Molybdate and · .. E. J. Butler and R. M. Barlow 208

Swayback. I. Transitional Pathology. Further Observations on · .. R. M. Barlow 51

Swayback. II. Histochemical Localization of Cytochrome Oxidase Activity in the Central Nervous System. Further Observations on ... R. M. Barlow 61

Swayback Flocks. Factors Influencing the Blood and Plasma Copper Levels of Sheep in ... E. J. Butler and R. M. Barlow 107

Swayback in Sheep. I. Effect of Molybdate and Sulphate Supple-ments During Pregnancy. Copper Deficiency in Relation to · .. E. J. Butler and R. M. Barlow 208

Swine. Isolation in Tissue Culture of a Strain (FS55) of the Teschen Group of Viruses. Studies on Enterovirus of ... Sheila F. Cartwright and R. A. Huck.. 27

TEMPERATURE of Complement-Fixation in the Diagnosis of Rinder-pest. Time and ... A. K. MacLeod and G. R. Scott 88

Teschen Group of Viruses. Studies on Enterovirus of Swine. Isolation in Tissue Culture ofa Strain (FS55) of the ... Sheila F. Cartwright and R. A. Huck 27

Testes of Sheep. Intratubular Seminomas in ... Rue Jensen and J. C. Flint 146

Therapy for the Control of Species of Eimeria in the Domestic Fowl. Design of ... S. F. M. Davies and L. P. Joyner 379

Time and Temperature of Complement-Fixation in the Diagnosis of Rinderpest ... A. K. MacLeod and G. R. Scott .. 88

Tissue Culture. Newcastle Disease: A Serum Neutralization Test in ... R. W. Crowther 373

Toxicity of Some Chlorinated Hydrocarbon Insecticides to British Wild Foxes (Vulpes vulpes). The ... D. K. Blackmore 391

Trichostrongylids. The Disintegration of Sheep Dung and the Pre-Parasitic Stages of ... M. G. Christie 416

Trypanosoma vivax Transmitted by Tsetse Fly. An Attempt to Produce Resistance to Homidium in a Strain of ... L. E. Stephen .. 76

Trypanosoma congolense Directly Resistant to Berenil. A Strain of · .. E. F. Whiteside 167

Tsetse Fly. An Attempt to Produce Resistance to Homidium in a Strain of Trypanosoma vivax Transmitted by ... L. E. Stephen 76

Tuberculosis in the Free Living Mrican (Cape) Buffalo (Syncerus caffer caffer, Sparrman) ... P. D. L. Guilbride, D. H. L. Rollinson, E. G. McAnulty, J. G. Alley and E. A. Wells 337

Turkey, Experimental Osteopetrosis in the ... J. R. Holmes 136

INDEX

Turkeys Following Treatment with Dimetridazole. Immunity to

XV

PAGE

Histomoniasis in ... L. P. Joyner 201

URINARY Calculi in the Dog. II. Urate Stones and Purine Meta-bolism .... P. Porter 119

VACCINE. Inactivated Newcastle Disease ... S. A. Keeble and J. A. Wade 186

Vaccine Used as a Working Standard. Antigenic Potency Tests on a Single Batch of Newcastle Disease ... C. R. Coid, G. N. Woode, L. A. Baker and R. Peacock 424

Virus. The Pathogenesis of Ovine Pneumonia. III. Placental Infection by Pneumonitis ... D. L. Dungworth 68

Viruses. Studies on Enterovirus of Swine. Isolation in Tissue Culture of a Strain (FS55) of the Teschen Group of ... Sheila F. Cartwright and R. A. Huck 27

Viruses in Sheep. Comparison between a Faecal and an Enzootic Abortion Strain. Psittacosis Lymphogranuloma-Venereum Group ... M. R. Wilson and D. L. Dungworth 277

Viruses from a Case of Bovine Mucosal Disease. The Isolation, Separation and Identification of Two ... J. H. Darbyshire 309

WALLABY. Aortic Disease in a Bennett's ... D. Heath and T. P. Whitehead 439

Weaning, Escherichia coli and Scours. The Intestinal Flora of Young Pigs, with Reference to Early ... R. Kenworthy and W. E. Crabb 215