MORPHOLOGY OF CKANIAL MUSCLES IX SOME VEETEIIHATES. 211 



Text-fig. 38. 



tiuuul. 



I g.c 



hT-a;r>.i.r>\; 



Outvdw. 



3 8. 



Text-fig. 39. 



WVui(ji 



Wiaul, Iril. — 



Text-figs. 38 and 39. — Ceratodus. emljiyo stage 40 ; transverse 

 sections. Text-fig. 38 is the more anterior ; the left side of 

 the sections is slightly anterior to the right. 



