109 



SUB-CLASS II. RATITVE 



(STERNUM WITHOUT A KEEL). 

 ORDER CASUA.RII. 



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

 fused with vomer and premaxilla. 



FAMILY DROM^EID^E. 



No casque on the head. Bill broad. 



GENUS DROMJEUS. Tarsi have reticulated scutes in front, except near 

 the toes, and behind rough scales. 



764. D. novse-hollaiidiae, 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. irrorittllS, Bartl., Spotted Emu. 



More slender than I), novse-hollandiae. 



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 OASUABIIDJE. 



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. ailStraliS, 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. 



