632 IMPENNES. 



outermost pair disappearing in the adults. Total length about 

 30 inches, culmen from nasal feathers to tip 1-8, from gape to tip 

 3-65, flipper from shoulder to tip 9, tail 6, middle toe and claw 

 3-3-4. 



Adult imvorn plumage. Upper parts brownish, thickly mottled 

 with black, the blue-grey ends to the feathers having become abraded. 



" Iris rich brown, pupil lozenge-shaped when contracted ; lower 

 mandible and lower margin of upper mandible brilliant orange, 

 upper portion and tip of upper mandible black ; tarsus and feet 

 orange-coloured, claws black" {Kidder). 



Immaiure. Differs only from the adult in having a much smaller 

 bill, and the chin and throat white, mottled with greyish black. 



Young in dotun. Body entirely clothed in down. Top of the head, 

 upper parts, patch on the shoulder, and upper surface of the flipper 

 deep ashy, the latter widely edged on both margins with white ; 

 chin, throat, sides of the head and neck, and rest of the underparts 

 white, this colour extending farther up the sides than in the adult 

 and forming a wide white band between the dark ashy flipper and 

 the back. Only the upper tail-coverts and tail-feathers are making 

 their appearance. Total length about 24 inches ; bill from nasal 

 feathers to tip 1"3, from gape to tip 2-7 ; flipper 9. {Mas. 

 Rothschild.) 



Hah. The Gentoo Penguin inhabits the Falklnnds. South Georgia, 

 Marion I., Kcrguelen Land, Heard I., Macquarie Islands, Paulet I., 

 and Dundee I. 



a, h. Ad. sk. Falkland Lslacds (Leconte). Salvin-Godman Coll. 



c. Vix ad. sk. Falkland Islands. Sir W. Burnett & 



C'apt. Fitzroy [P.]. 



<?,e.Ad. sk. etst. Kerguelen Land. Antarctic Exped. 



y-A. Ad., vixad. Christmas Harbour, Kerguelen 'Challenger' Exped. 



et imm. sk. Land. 



/. Ad. sk. Cumberland Bay Point, Ker- McCormick Bequest, 

 guelen Land, June 17 (R. 

 McConnick). 



m. (T imm. sk. Macquarie Islands. Otago Museum [E.]. 



w. Ad. skel., Falkland Is. Prof. D'Arcy Thomp- 



mounted. son [P.]. 



o. Ad. skel. Falkland Is. Antarctic Exped. 



p, q. Ad. skel. & Falkland Is. ' Challenger ' Exped. 



■ 1 skull. 



r. Ad. skel. Falkland Is. Cant. Abbott [P.]. 



s-x. Ad. et 2 Falkland Is. * Challenger ' Exped. 



juv., .3 pull, in 



spirits. 



y, z. Ad. head Falkland Is. ' Challenger ' Exped. 



in spnits. 



2. Pygoscelis adeliae. 



Catarrhactes adelise, Hombron &i Jacquinot, Ann. Sci. Nat. (2) xvi. 

 p. 320 (1841) [Adelie Land]. 



Pygoscelis brevirostris, G. R. Gray, List B. pt. iii. p. 154 (1844) [lat. 

 64-72° S., long. 17r, Louis Philippe Land] ; id. Gen. B. iii. p. 164 

 (1846). M J, V 



