109 



Sub-class II. — Ratit/e 



(Sternum without a Keel). 



order-casua.ru. 



Hallux absent. Middle phalanges shortened. Maxillo-palatines large, 

 fused with vomer and premaxilla. 



FAMILY— DROM^EIDA 



No casque on the head. Bill broad. 



Genus — DROMiEUS. — Tarsi have reticulated scutes in front, except near 

 the toes, and behind rough scales. 



764. D. novae-liollandiee, Lath , Emu. 



Feathers of body uniform greyish, with tips black ; feathers of 

 the neck greyish, with the tips black. 

 Total length, 78 in. 



Hab. : 2, 3, 6, 7, 9. 



765. D. irroratllS, Bartl. , Spotted Emu. 



More slender than D. novse-hollandise. 



Feathers of body barred alternately with silky-white and darkish 

 grey throughout their length, terminating in a black tip, margined 

 posteriorly with rufous. 

 Hab. : 7, 8, 9. 



766. D. ater, Vieill. (Considered to be extinct.) 



Feathers of the body uniform greyish, with the tips black ; 

 feathers of neck entirely black. 

 Total length, about 55 in. 



Hab. : Kangaroo Island, S.A. 



FAMILY— OASTJARIID^. 



A casque on the head. Bill narrow. 



Genus — CASUARIUS. — Tarsi have large hexagonal scutes, except near 

 the toes, where the scutes are transverse. 



767. C. australis, Wall, Cassowary. 



Casque compressed on the sides ; only two wattles on the throat, 

 not far apart, but approached one to the other ; the casque very 

 high and thinner above ; nail of the inner toe longer than galeatus, 

 and bird larger ; wattles very large. 

 Hab. : 2. 



