PLATE 8 



EXPLANATION OF FIGURES 



31 Photomicrograph of a cross-section of fibers of the lumbo-sacral cord 

 of fowl No. 38 — 108 days in regeneration — a, is a fiber greatly distended by a 

 large globule of degenerated myelin. No indication of an axis cylinder is visible. 

 Phosphomolybdic acid hematoxylin. Zeiss 4X2 mm. oil immersion. 



32 Photomicrograph of teased preparation of nervus ischiadicus of fowl 

 No. 24 — 7 days on polished rice. Two droplets of degenerating myelin are seen 

 in fiber a. Marchi method. Zeiss 4X2 mm. oil immersion. 



110 



