AVES SPHENISCID^. 



107 



Eudyptes Jmmboldtii, Gray, Gen. B. III. p. 640 (1846); Pelz. Reis. No- 

 vara, p. 142 (1865: Chile); Gray, Hand-List B. III. p. 99, no. 

 10800 (1871). 



Spheniscits demers/is, Schl. (nee Linn.) Mus. Pays-Bas Urinat. 

 (1867); Coues, Proc. Acad. Philad. 1872, p. 209 (part). 



Fig. 6t,. Fig. 64. 



£i^>. 



10 



Sfheniscus huniboldti. Profile head 



and neck. 



natural size. 



Spliciiiicus liHinboldli. Head from 

 above. ^^ natural size. 



General description. 



Size (adult). — Total length, about 27 inches. 



Bill : Gape to tip, 3.05 inches. 



Exposed culmen, 2.6 inches. 



Wing, from shoulder 8.4 inches. 



Tail, 1.4 inches. 



Color (adult). — General color of the upper parts dusky or black ante- 

 riorly, shading into slate grey, which is brightest on the upper tail coverts. 



The lower parts are white, except for a black band on the chest extend- 

 ing down each side of body to the tail. 



Head : The forehead and middle of the crown as well as the sides of 

 head and face black. This is broken by a white stripe, beginning behind 

 the eye. This stripe does not extend, as in S. demersns forward above the 

 eye to the lores, and is much narrower than the superciliary stripe in that 

 species. 



Neck: Above much like the middle of the crown in color becoming 

 more greyish dusky where it joins the body. The chin and throat are 

 black, and the rest of the neck, including the sides and lower parts, are 

 pure white. 



