757 





Fig. I 



Utr. 



Fig. II 



vtr. 



Fig. 1. Diagram of neurendymal cells. 



a. a. Unipolar types; b.b.b. transition forms; c.c. fusiform cells; alb. alba, or 

 white nervous matter; ein. cinerea, or gray nervous matter. 



Fig. 2. Diagram of a transection of the myel or spinal cord to show the ar- 

 rangement of the dorsal and ventral root-fibers in the ganglion to form the three 

 nerve trunks. 



ein. cinerea; alb. alba; Id. ligamentum dentatum ; dtr. dorsal nerve trunk; letr. 

 latero-caudal nerve trunk; vtr. ventral nerve trunk. 



lateral root. This condition is also said to exist in some of the more 

 cephalic of the cervical nerves and Minot prognosticates that they 

 may also be found in the spinal nerves as well. Van Gehuchten 

 (Les elements nerveux moteurs des racines post6rieures, Anat. Anz., 



