ERRATUM

“Cytoskeletal organelles and myelin structure of beaded nerve fibers” by S. Ochs and R. A. Jersild. Jr. ‘~(,Io.o.\(./(,~I((’

Vol. 12. No. 3, pp. 1041 1056. 1987.

The publishers regret that binding of the above issue obscured Important details I’rom the M-hand sldc of IFIF_ I?. p, 1051 The figure is reprinted overleaf.

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Fig. 12. (a) A leafing of part of the my&n sheath with protrusion in towards the axon. Two vacuolar profiles arz also present (arrows). (b) Enlargement of (a): a number of the lamellae show a splitting of their main dense lines into separate membranes (shown within the brackets at the left). The 8 brackets correspond to the 8 main dense lines marked at the right. Membranes of the intraperiod lines are faint

A portion showing their separation is visible at the arrow. (a) x 68.400: (b) x 154,280.