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1392. One moiety of the proximal end of a longitudinally bisected left femur of an 

 Ostrich. Hunterian. 



1393. One moiety of the distal end of a longitudinally bisected left femur of an 

 Ostrich. Hunterian. 



1394. The right tibia of an Ostrich, in longitudinal section. Hunterian. 



1395. The right tibia of a young Ostrich. Hunterian. 



1396. The left fibula of a young Ostrich. Hunterian. 



1397. The right tarsus of a young Ostrich. Hunterian. 



1398. The right tarsus of an Ostrich, in longitudinal section. Hunterian. 



Order RASORES. 



Genus Crax. 



1399. The skeleton of the Crested Curassow (Crax Alector). 



There are 19 vertebrae between the skull and sacrum, of which the last six bear moveable 

 ribs : of these the first two pairs end freely ; the rest articulate with the sternum by bony 

 haemapophyses : there is a seventh pair of ribs attached to the sacrum. There are 6 caudal 

 vertebrae. The last dorsal vertebra is free, and intervenes between the sacrum and four 

 dorsals which have coalesced into a single bone. The calcaneal ossicle is preserved in both 

 legs. 



Mus. South. 



1400. The dried head of the Crested Curassow (Crax Alector). 



Presented by W. Bullock, Esq. 



1401. The skeleton of the Galeated Curassow (Our ax Pauxi, Cuv.). 



This species is remarkable for the sudden expansion and elevation of the base of the short 

 and thick upper mandible, like a tumour. The mastoid joins the postfrontal : the centrum 



