PELVIC ARCH 



A 



FIG. 93. PELVIC ARCH OF VARIOUS REPTILES. (From the ventral side). A, 

 Jalceohctitena, after Credner ; A'-C, Plesiosaurus : A 1 , from a restoration in 

 the College of Surgeons; B, from Huxley's Anatomy of Vertebrated 

 Hattwia ^^ D ' Arcy Thom P son ; V, Labyrinthodon riitimeyeri ; E, 



P, pubis ; PP prepubis ; Cep, epipubic cartilage ; Fo\ obturator foramen ; Is, 

 iscnmm ; /, ilium ; f,f, isohio-pubic foramina ; *, hypoischiatic process, which 

 becomes segmented off from the pelvis in other Reptiles. 



I 2 



