1220 



MR. F, R. WELLS ON THE MORPHOLOGY OF THE 



The hyomandibular is a great mass of cartilage, sloping back- 

 wards and outwards at the top and measuring about '5 mm. 

 long, -15 mm. deep, and nearly -1 mm. broad. It meets the 

 cranium just behind the post-orbital processes and between the 



Text-fie-ure 4. 



Dorsal view of cliondrocranium. 10 mm. Stage. X 70. 



foramina of the Vllth nerve and the pituitary. The hyomandi- 

 bular touches the cranium for about half its length, being 

 articulated in front and fused behind. 



