Donaldson and Hoke, Medullary Sheath. 



TABLE VL 



s i 



I- o 



Animal 



Specimen 



o -^ 

 ■5 5j 





:2;;Ss 



< 5: 



w 





£ rt O -c 



- or + 



1540 



For the 1540 fibers the average percentage deviation := -j- 0.45%. 



