82 



DAVIDSON BLACK 



Fig. 11 Reconstruction charts of motor roots and nuclei. A, Triton vulgaris 

 (after Kappers, 32); B, Eana catesbiana (5); C, Damonia subtrijuga; D, Chelone 

 mydas (after Kappers, 1. c). XII., hypoglossus roots. Other signs and abbre- 

 viations as before. 



