The pvechordal portio n of t.he chondrocrrtui'! 

 Chlmcera is direct^J4--''Te^t.^o-ante^^«wd^^J^u^ u ■ 

 Hubreclit's (lifc^f) fi^Jire ol" tiiist fi.sit woiAl 

 This is au(jMV>t i-Mi>n>!v due to thy trjOietSdJ*' iia\ 

 h».id th)\\li 

 h;i.ving_ 

 insteal 

 approxl 

 clioiidi 

 tutiat^ 

 these 

 iu Callovi 

 in these em 

 adult Chinicer 



In Acanthias and ^risHij 

 Selachii, the cfa.nialgtlt'>g» 

 hegins to clioudrify Phui 

 of embryos of these 

 iiotochord project 

 flexure (plica eucep 

 ti-abeculse ca,anot 

 h>nged of me pai-i 

 to the veift.ial 

 angles to fim-prr 

 rnids. 'J.' he mar 

 (Misition of-tt4 



either i' 

 that bai 

 luandibuliii 

 'he trabecu 



iu the 111 



normal rci 



t lie at right 



AtheJr anterior 



o artects the 



to the hyal 



I represeiit 



dibuiar s^i-ch alone, or 



or more pre- 



ght angles to 



instead of a 



