XX STRUCTURE AND CLASSIFICATION OF BIRDS 



vm. riCE 



244. Skull of Emu {after Huxley) 514 



245. Pelvis of Emu {after Mivart) 515 



246. Sternum of Cassowary {after Mivarl) 516 



247. Pelvis of Cassowary {after Mivart) 517 



248. SkuU of Ostrich {after Huxley) 518 



249. Sternum of Ostrich {after Mivwrt) 51 9 



250. Pelvis of Ostrich {after Mivart) . . . . ' . . 519 



251. Shoulder Girdle of JEpyornis {after Andrews) . . . . 523 

 2^2. Diagram of Belationships of Struthiones {after T. J. Pn.rlser) 5'21 



