304 



OSTEOLOGY OF TUBINARES AND STEGANOPODES. 



The post-pubis then, retaining its increase in size, curves inward toward 

 the fellow of the opposite side, to terminate in a cartilaginous tip. 

 The posterior border of this lateral aspect shows a well-marked ilio- 



Fig. 32. Pelvis of Sula bassana,- viewed from above; life size. By the author, from the same specimen 



seen in Fig. 24 ct eeq. 



iscbiac notch at about the middle of its extent. The outer side of the 

 bone between it and the ischiac foramen is directed upward as well as 

 outward. 



