MOTOR NUCLEI IN PHYLOGENY 



83 



L f ^ 



(E=5 



Fig. 12 Reconstruction charts of motor roots and nuclei. A, Alligator 

 sclerops (footnotes, p. 62); B, Boa constrictor; C, Varanus salvator. (All 

 charts after Kappers, 32.) Signs and abbreviations as before. 



