ANIMAL AND VEGETABLE 



125 



ANIMAL 



VEGETABLE 



Fig. 60. 



Endothelium of a serous mem- 

 brane (human). (After Schafer.) 



Fig. 61. 



Cells from a tendril of Cucwbita 

 pepo. (After Strasburger.) 



Fig. 62. Fig. 63. 



Section across a nerve bundle in Transverse section through a 

 the second thoracic anterior root young internode of the shoot axis 



oi the dog. (After Gaskell.) 



of Tradescantia albiflora. (After 

 De Bary.) 



