PLATS LXVIII. 







\ 







Fig. 412. 



The mass of imperfectly developed 

 ganglion cells at 6, Fig. 412. a, a masi 

 dividing into two 6. connective tissue 

 corpuscle, c. nerve distributed to ca- 

 pillary vessel, e d, a more advanced 

 ganglion cell exhibiting straight and 

 spiral fibres : its straight fibre is much 

 thicker than any in the bundle of fine 

 fibres passing into the body of the 

 ganglion. X 1800 



Fi--. 411. 



m 



jaBr 





, v .,. 



^ 



The ganglion cell marked a in Fig. 412 X 700 diameters. 



The mass is undergoing division, and from it a number of 



separate cells like the groups in Fig. 413 would result. 



lOOCth of an Inch l_ 



: trunks and gangba. near tne iliac artery. 

 Frog. X 40. 



.1 x 1500. 



[To follow PL. LXVII. 



