ART. 15 



ANATOMY OF THE EAEED AND EARLESS SEALS HOWELL 35 



is bent laterad almost at a right angle to the remainder of the com- 

 plex. The total innominate length in Zaiophus is 21, and in the 

 Phoca 26 per cent of the body length (25 in a cat) ; but the significant 

 comparison is of the part craniad of the anterior lip of the acetabulum 



with the portion caudad of the posterior lip. In the ZalopJms this 

 iliac part is 32, and in the Phoca but 16 per cent of the innominate 

 length (59 in a cat), while a comparison of the pubo-ischiac por- 

 tion gives a percentage respectively of 55 and 74 (33 in a cat). An 

 analysis of these conditions is presented farther on. The sharp bend 



