322 



CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Sra. 



M' tewpordh 



f1' pterufo/y 



irj^ndibfe 



processus 

 ' entoo/ossus 



^,bosilnjc)/ 



t'ho 



rn 



.processus 



' retro bcisdl'i^ 



-post horn 



on of Huo(d nppcirc^tus 

 to Nai^cl,l>le' 



Fig. 5 



