Back Matter Source: The Scientific Monthly, Vol. 21, No. 6 (Dec., 1925), pp. ix-xiv Published by: American Association for the Advancement of Science Stable URL: http://www.jstor.org/stable/7740 . Accessed: 02/05/2014 21:24 Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at . http://www.jstor.org/page/info/about/policies/terms.jsp . JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact [email protected]. . American Association for the Advancement of Science is collaborating with JSTOR to digitize, preserve and extend access to The Scientific Monthly. http://www.jstor.org This content downloaded from 194.29.185.180 on Fri, 2 May 2014 21:24:04 PM All use subject to JSTOR Terms and Conditions
Transcript
Back MatterSource: The Scientific Monthly, Vol. 21, No. 6 (Dec., 1925), pp. ix-xivPublished by: American Association for the Advancement of ScienceStable URL: http://www.jstor.org/stable/7740 .
Accessed: 02/05/2014 21:24
Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at .http://www.jstor.org/page/info/about/policies/terms.jsp
.JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range ofcontent in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new formsof scholarship. For more information about JSTOR, please contact [email protected].
.
American Association for the Advancement of Science is collaborating with JSTOR to digitize, preserve andextend access to The Scientific Monthly.
http://www.jstor.org
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K.RMS IBnlopticoi for slides and ..Ny opaque objects
we would be unable to use the standard lantern slide projector unless the room could be well darkened. Fortunately however, modern science has provided special lenses and screens by which it is possible to project in daylight.
"Daylight Projection" is a new development that should be taken advantage of by every educational institution. Special lanterns (or attach- ments for use with models now in use) make it possible to project slides, opaque objects or strip film under daylight conditions as well as in the dark. If you are interested in modern projection apparatus fill in the coupon and let us help you.
I BAUSCH & LOMB OPTICAL CO.,' 633 St. Paul St., Rochester, N. Y.
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At the instance and desire of Drs. McCoy, Roth & Lake, and Professor Voegtlin & Dr. Smith, U.S.P.H.S., Hygienic Laboratory, Washington; Conrey, Powers-Weightman-Rosengarten, Philadelphia; Riggs, Squibb, New York; Raiziss, Dermatological Research Laboratories, (The Abbott Laboratories), Philadelphia; Macallum, Synthetic Drug Co., Limited, Toronto, (Canada); Hooper, Metz, New York; Payne, Upjohn Co., Kalamazoo; The Diarsenol Company, Buffalo; Schamberg & Kolmer, Research In- stitute of Cutaneous Medicine, Philadelphia; Clarke, Parke, Davis & Co., Detroit; Githens, *H. K. Mul- ford Co., Philadelphia; Chamberlain, Mallinckro1t Chemical Works, St. Louis; Clowes, Eli Lilly & Co., Indianapolis; Armour & Co., Research Laboratory, Chieago; Hynson, Westeott & Dunning, Baltimore; De Pree Laboratories, Holland; New York Intravenous Laboratory, New York; U. S. Army Medical Center, Walter Reed Hospital, Washington; U. S. Quarantine Stations, U.S.P.H.S., Staten Island, N. Y., Fortress Monroe, Va., and Gallops Island, Boston Harbor; Department of the Interior, Bureau of Mines, Exp. Station, Pittsburgh, Pa.; Departmento, National de Hygene, Instituto Bacteriologico, Buenos Aires, Rep. Argentina; Texas Agricultural Exp. Station, A. & M. College of Texas; Georgia Experiment Station, Experiment, Georgia; The Universities of California, Oregon, Colorado, Nebraska, Minnesota, Wisconsin, Michigan, Kansas, Illinois, Georgia, Arkansas, Kentucky, North Carolina, Penn- sylvania, Pittsburgh, Louisville and Toronto; College of Physicians & Surgeons, (Columbia); Brown, Yale, Harvard, Cornell, Johns Hopkins, Columbia, McGill, Western, Ohio State, Indiaiia, Western Re- serve,Baylor,Vanderbilt & Marquette Universities; Wellesley, iViount Holyoke, Smith, Pennsylvania State, Iowa State, Michigan Agricultural & Carleton Colleges; The Medical College of Virginia; The Rocke- feller Institute, New York; The Stout Institute, Menomonie; The Physiatric Institute, Morristown; The Insulin Committee, U. of Toronto, Toronto, Canada; Wood, Institute of Cancer Research, (Co- lumbia), New York; Mendel & Smith, Laboratory of Physiological Chemistry (Yale), New Haven; Abel, Ulrich, & Hegner (Johns Hopkins), Baltimore; Park & Powers, School of Medicine, (Yale), New Haven; Gamble, Harvard Medical School, Boston; Loevenhart, Medical School, (Wisconsin), Madison; Walker, Union Memorial Hospital, Baltimore; Luce, Boyce Thompson Institute, Yonkers; Krumbhaar, Philadelphia General Hospital, & Laird, State Laboratory, (U. of P.), Philadelphia; Dennison, Lakeside Hospital, Cleveland; Wear, American Car & Foundry Co., Berwick; The Fleisch- mann Co., The Dry Milk Co., & Lehn & Fink, Inc., New York; Vitamin Food Co., Westfield; Postum Cereal Co., The Kellogg Co. & The Battle Creek Sanitarium, Battle Creek; Eastman Kodak Co., Rochester; Mead Johnson Co., Evansville; Crane Ohio Ice Cream Co., Columbus; et al., this office and colony has tried (and succeeded for four years) to Breed, Raise and Market a perfectly healthy Albinio Rat, actively growing, and absolutely free from disease, constitutional, infectious, contagious or parasitic, at the lowest price possible with a fair return for the service rendered, thus establishing a common source of supply for the governmental (testing and experimental) laboratories and ALL the manufacturers and research laboratories, and thereby enabling competent biologists, working in different parts of the coun- try, to obtain comparable-or coincident-results.
REFERENCE TO ANY OF THE ABOVE MENTIONED PERSONS OR LABORATORIES WILL CONFIRM THESE STATE- MENTS; THIS OFFICE AND COLONY IN MOST OF THE CASES CITED, FURNISHING THEIR ENTIRE SUPPLY.
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Orders not booked for lots of less than 50, except Breeders and Large booked for 25 and Pregnant Females for 15. Where delivery costs (including cra tage and drayage at $1.50 per crate) exceed $5.00 Per C. exeess amount is charged at cost on invoice. Ten per cent. additional will be charged where known age is specified (except litters); or sex other than mixed (M & F) (except breeding stock); or where different weights are specified than.those tnbiilated below; or where maximuim-minimum range of weights desired is less than 20 gr;oms. It is iiiid-rstood that w-ien itniijed sexes-(M & F), are ordered, this office reserves the right to determine tlf. J)-roportion of sex; whether all of one; all of the] other, or the proportion of each. Females, order ed (.' such, fiurnished only in breeding stock. Five dollars discount per C. on contracts for weekly quotas of fifty or more.
BREE1)LNG STOCK--GRADE "A "-M & F-100-200 Gm. ..... .............. $200 Per C. II " " -F--PREGNANT, UNTIMED ..... ........ $300 LITTERS-KNOWN AG(E 6-16 Youing with P)am; Mothers and Young
counted alike atitl Iiirged at rate of $1.00 each: NOT LESS THAN 5 LITTERtS SHIPF'PEI) ..................................................... $100
LARGE STOCK-M & F-150-500 GM.-UNKNOWN AGE ..................... $65 " TOXI('ITY " -100-150 $75 46
A BREEDING STOCK OF 2,000 AND A SALES-STOCK OF 20,000, CONSTANTLY MAINTAINED BY A WEEKLY OUTPUT OF 1,500 TO 2,000, INSURES PROMPT AND SATISFACTORY EXECUTION OF ALL ORDERS. THE BREEDING STOCK IS CHANGED EVERY FOUR MONTHS; EACH FEMALE BEING BRED ONLY THREE TIMES, THUS [NSURING HEALTHY PROGENY.
ERNEST V. B. DOUREDOURE, Laboratory Supplies 70 EAST COULTER STREET, GERMANTOWN, PHILADELPHIA, PA.
Telephone Germantown 5670 THE ONLY UNINFECTED SOUI(E OF STJPPLY IN THE UNITED STATES
EXCEP1T T'HE WISTAR INSTITUrl' OF PHILADELPHIA
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VISUAL INSTRUCTION HELPS FOR BIOLOGY A complete line of classroom helps for Botany, Zoology, Anatomy and Physiology.
Domestic preparations are obtained primarily frorn our owti laboratories, studios and collecting stations. Materials from the best foreign sources are carried in stock for prompt delivery. This offers you an excellent combination of service and quality. For Physiology and Anatomy:
Anatomical Models. (Our models are standard for class work from the Grammar School to Post-graduate Colleges.)
Michel Anatomical Charts. Arnold Physiology Charts. Skeletons and Bone Preparations.
Send us your skeletons for preparing and miounting.
Wax Models. Histology Sl,ides. Microscope and Lantern Slides.
For Zoology: For Zoolog: .One of the one hundred dissectible models
Live and Preserved Specimens. we carry in stock. To supply quality material we do our own collecting when possible, going to the extent of operating our own marine collecting sta- tion.
Models of Dissections and of Development. Leuckart Charts. Pfurtscheller Charts. Per-rier anid Cepede Charts.
(For Comparative Morpliology and General Principles of Biology.)
Schmeil Charts. Haecker Charts on Principles of Biology. Matzdorf Biology Charts. Jung-Koch Quentell Charts. Andersen-Balslev Insect Charts. Washburn Insect Charts. Riker Mounts in Entomolo_v. Mounted Birds. Dissections and Museum Preparations.
Well prepared specimens typical of species in the various phyla. A popular, inexpensive mounting for our
Skeletons and Bone Preparations. charts. Made in our own Laboratories by skilled osteologists.
ILife Histories. Microscope and Lantern Slides.
(Have you heard what instructors are saying about the exqi line quality of our Embryol- ogy slides? Send for leaflet f8.) |
For Botany: Lantern and Microscope Slides. Schmeil Structural Botany Charts in
natur-al colors. Jung-Koch Quentell Charts.
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Brendel Models. 0 Algae6, Fungi, Bryophy,tes, Pteridophytes, and a comprehensive line of flowers.
Osterloh Imported Models of the flower- ing plants. ~~~~~~~One of the thousand microscope slides
Models of typical roots, leaf and stems. that we prepare. Write for our compl'ete Catalov 5.13, which is just off the Press. Several thousand
practical items are included.
DENOYER-GEPPERT COMPANY, Importers and Makers of Charts and Models,
Headquarters for Skeletons, Slides and Museum Preparations 5235-5257 Ravenswood Ave., Chicago, Ill.
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THE GROWTH OF BIOLOGY By WILLIAM A. Locy, late of Northwestern University
Depicts vividly the strtuggle and triumph of the scientific spirit. Gives a compre- hensive survev of the successive steps in the growth of our knowledge of organic nature from the Greek fouindations to Darwin in zoology, Hofmeister in botany, and Claude Bernard in physiology. Special featuires are the stuldy of pre-Renais- sance natulral history, the illustrated chapter on the microscope, the terse biograph- ical sketches, and the 140 rare and apt illtustrations. $4.00
INDUSTRIAL AND COMMERCIAL GEOGRAPHY By J. RUSSELL SMITH, Columbia University
Completely rewritten with the view of bringing the volume up to date both in fact and philosophy. Full cognizance has been taken of the many and radical changes brotught about by the World War. Thle brilliant style and excellent organization wlhich made the old edition preemincnlt in the field and most desirable for class use are equally prominent in the new edition. $4.50
MANUAL OF INJURIOUS INSECTS By GLENN W. HIERRICK, Cornell University
Treats every plhase of the injtlriouls insect. Describes each important insect, dis- cusses its injulriousness and life history, and gives the most approved mnethods of control. Contains sirmple synoptic tables, more than a huindred nmaps of distribtution, and 450 illustrations of insect pests and their work. Written in a clear and siniple style. $4.50
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BROOKLYN BOTANIC GARDEN MEMOIRS Volume I: 33 contributions by various- authors on genetics, patlhology, mycology, physi-
ology, ecology, plant geography, and systematic botany. Price $3.50 pluhs postage. Volume II: The vegetation of Long Island. Part I. The vegetation of Montauk, etc.
Pub. 1923. 108 pp. Price, $1.00.
AMERICAN JOURNAL OF BOTANY Devoted to All Branches of Botanical Science
Established 1914. Monthly except August and September. Official Publication of the Botanical Society of America.
Subscription, $6 a year. Volumes 1-12 complete, $86. Single numbers, 75 cents, post free. Prices of odd volumes on request. Foreign postage: 40 cents.
ECOLOGY Devoted to All Forms of Life in Relation to Environment
Established 1920. Quarterly. Official Publication of the Ecological Society of America. Subscription, $4 a year. Back volumes I-VI, $4.25 each.
Single numbers, $1.25 post free. Foreign postage: 20 cents.
GENETICS A Periodical Record of Investigations bearing on Heredity and Variation
Subscription, $6 a year. Single numbers, $1.25 post free. Back volumes 7-10 only, $7.00 each. Foreign postage: 50 cents.
Orders should be placed with THE SECRETARY, BROOKLYN BOTANIC GARDEN
Brooklyn, N. Y., U. S. A.
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Naturalists' Supplies Biological Material Microscope Slide Preparations Preserved Material i. Zoology. Preserved ma- Display Material terial of all types of animals Lantern Slides NO OP4 for class work and for the Charts, Botanical and Zoological l museunm. Microscopes, Microtomes and
Accessories 2. Embryology. Stages of Dissecting Instruments , some invertebrates, fishes Laboratory Glassware (including Acanthias, Amia Chemicals and Lepidosteus), Am- Bacteriological Reagents phibia, Reptiles and some
We have now ready for distribuition our new rnalnmals. Cat. No. 6P with an extensive list of preserved 3 Botany Preserved ma- and museum material; Cat. 6G of models and . B P charts, and Supplement co Cat. 6L, with a terial of Algae, Fungi, Liv- large list of phlotomicrographs of unusual in- erworts, Mosses, Ferns and terest and quality. Copy on request. Seed Plants.
4. Microscope Slides in Bacteriology,
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Catalogues furnished on application to
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Dr. EDWIN E. SLOSSON SAID: In the November issue of THE SCIENTIFIC MONTHLY, that ultra-violet rays greatly benefit and often cure children crippled by rickets or tubercular joints. SCIENCE recently published reports from Yale Medical School, that ultra-violet light was stored up in cod liver oil and was only released within the body during digestion. This was assumed to be the explanation of its curative properties.
TESTED COD LIVER OIL-HARRIS is standardized physiologically and exceeds the requirements of the U. S. PharmacopcBia in purity.
This Brand was the first offered with a physiological standard and is the only brand available today with tests and evidences for its power to cure rickets-by the baby chick method. F THAT IS WHY PHYSICIANS SPECIFY
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Available at all druggists or by parcel post. Large bottle $i.oo, 1 gallon $3.50 postpaid.
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Scientific Apparatus and Instrumnents Chemicals, Anatomical and Biological Preparations
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Write for Illustrated Catalogues, Special Circulars and In formation
THE KNY-SCHEERER CORPORATION Dept. of Natural Science, G. Lagai, Ph. D.
119 125 Seventh Ave. New York, N. Ye., U. S. A.
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