322 IMPENNES. 



E. Three metatarsal bones of the tarso-meta tarsus very short, 



and separated from each other throughout their whole 

 length by deep grooves. 



F. Spinal feather-tract not defined on the neck. 



G. None of the wing-feathers differentiated into quills. 

 H. Young hatched helpless, but covered with down. 



Genus SPHENISCUS. 



Brisson, Orn. vi. p. 07 (1760). 



Spheniscus magellanicus. 



Aptenoclytes maf/ellanica, Forster, Descript. Animal, p. 351 (1844). 

 Spheniscus magellanicus, 8cl. & Hudson, Argent. Orn. ii. p. 206 

 (1889). 



The Jackass Penguin. 



Ilah. Coasts of Antarctic America, and Falkland Islands. 



1577. Skull and atlas. From the Falkland Islands. 0. C. 



1142 b. Purchased from the Zoological Society. 



1578. Cranium (wanting quadrate and pterygoid bones). O. C. 



1142 C. Presented hy E. A. Ilolmstead, Esq. 



1579. Sternum. S. S. 2338. From the Falkland Islands [Le- 



conte). Purchased. 



Spheniscus demersus. 



Diomedea demersa, Linnaeus, 8yst. Nat. i. p. 214 (1766). 

 Spheniscus demersus, Scl. &, Salv. Rep. Voy. H.M.S. ' Challenger,' 

 ii. Birds, p. 124, pi. xxvii. (1880). 



The Cape Penguin. 



Ilah. The (Jape of Good Hope. 



1580. Articulated skeleton : mounted. 0. C. 1142. Hunterian. 



1581. Sternum. S. S. 1(575. Stores. 



