626 IMPENNES. 



1. APTENODYTES. 



Type. 



Aptenodytes, Forsfer, Comment. Gottingensts. in. 

 p. 133 (1781) ; Hyatt, Pr. Bost. Soc. xiv. p. 241 

 (1872) A. patagonica. 



Apterodita, Scop. Del. Flor. et Faun. Insubr. ii. p. 91 



(1786) A. patagonica. 



Pinguinaria, Shaw, Mus. Lever, p. 144 (1792) A. patagonica. 



Both mandibles long, relatively slender, and curved downward 

 towards the tip ; culminicorn divided bj' a deep groove from the 

 latericorn. Tail relatively rather short, composed of 20 feathers, 

 which scarcely surpass the longer upper tail-coverts in length. 

 Size very large. 



Range. From the Straits of Magellan to the Macqnarie Islands 

 and New Zealand, and southwards to the shores of the Antarctic 

 continent. 



Key to the Speciea. 



I. Easal half of the lower mandible partially con- 



cealed by feathers ; black of the throat meeting 

 the white of the fore-neck in a concave semi- 

 circle ; yellow semicirfidar patch on each side 

 of the head shading into white on the side of 

 the neck which is partially divided by a black 

 shoulder-patch forsteri, p. 626. 



II. Basal half of the lower mandible bare ; black of 



the throat ending in a point on the fore-neck and 

 miU'giiied on either side by orange-yellow bands 

 which connect the orange-yellow patches on 

 each side of the head with that on the lower 

 fore-neck patagonica, p. 627. 



I. Aptenodytes forsteri. 



Aptenodytes forsteri, G. R. Gray, Ann. Mag. N. H. xiii. p. 315 

 (1844) ; id. List B. pt. iii. p. 166 (1844) [lat. 64° to 77° S.] ; id. 

 Gen. B. iii. p. 642, pi. 176. fig. 2 (1846) ; Oicen, P. Z. S. 1865, 

 p. 438 [anatomy] ; G. R. Gray, Hand-l. B. iii. p. 99 (1871) ; id. 

 Vm/. Erebus S^' Terror, Birds, pi. 31 (1875) ; Sclater, Ibis, 1888, 

 p. '325, figs. 2 & 4 [part, svuonvmy] [lat. 65° 48' S., long. 

 157° 36' W.] ; Donald, P. R. Soc. Edinb. xx. pp. 172, 174 (1894) 

 TErebus & Terror Gulf, lat. 64° 20' S.] ; id. P. R. Phys. Soc. Edinb. 

 xii. p. 329 (1894) ; Sclater, Ibis, 1894,_p. 499. 



Aptenodytes imperator, Bonap. C. R. xlii. p. 775 (1856). 



Spheniscus patagonicus, Schleg. Mus. Puys-Bas, vi. Urinat. p. 3 

 (1867). 



Aptenodytes patagonica, Coues (nee Forst.), P. Ac. Philad. 1872, 

 p. 192 ; Hyatt, P. Bost. Soc. xvii. p. 94 (1875). 



Aptenodytes patachonica, Sharpe [nee Forst.), Voy. Erebus^- Terror, 

 App. p. 38 (1875). 



Adult. General colour of the upper parts bluish grey, each feather 

 with a dark base and a bluish- white suhterminal spot ; top of the 

 head, cheeks, chin, and throat deep black ; a large semicircular 



