II. AVBS. 



By Edward A. Wilson, M.B. 

 (13 Pliites.) 



APTENODYTES FORSTEPJ. 



The Einperor Penguin. 



(Plates I.— VII.) 



Aptenodi/fes forsteri, ih-aj, Ann. Mag. N;it. Hist. xiii. (1S44), p. Sio ; Sharpe, Rep. 'South. Cross' (1'"'-), 

 p. 109, ibique citata ; Eagle Clarke, Birds of South Orkneys, Ibis, Jan. 190G, p. ICO ; K. A. .Vndersson, 

 Wiss. Ergeb. der Schwed. Sudpolar-Exped., Bd. V. 2 (190.5), pp. 19-21. 



List of Material in the ' Discovery ' Collection. 



No. 2.5, ?, imm. sk. 17 months. About to moult. Feb. 5, 1904. McMurdo Sound. 



No. 26, imm. sk. 17 months. About to moult. Feb. .5, 1904. McMurdo Sound. 



No. 27, imm. sk. 5 months. Jan. 0, 1902. Pack ice, 68° S. 178' E. 



No. 28, imm. sk. 5 months. Jan. 6, 1902. Pack ice, 68' S. 17s° E. 



No. 29, imm. sk. 5 mouths. Jan. .5, 1902. Pack ice, 6s° S. 178' E. 



No. .30, (J , ad. sk. April 8, 1902. McMurdo Sound. 



No. 31, 9 , ad. sk. April 8, 1902. McMurdo Sound. 



No. 32, (J, ad. sk. Sept. 30, 1902. McMurdo Sound. 



No. 33, (J , ad. sk. April 8, 1902. McMurdo Sound. 



No. 34, 9 , ad. sk. April 8, 1902. McMurdo Sound. 



No. 35, ad. sk. April 8, 1902. McMurdo Sound. 



No. 36, ? , ad. sk. This bird weighed 90 lbs. in the flesh. April S, l'J02. McMurdo Sound. 



No. 37, ad. sk. April 8, 1902. McMurdo Sound. 



No. 38, ^ , ad. sk. April 8, 1902. McMurdo Sound. 



No. 39, 9 , imm. sk. 17 months. About to moult. Feb. 6, 1904. McMurdo Sound. 



No. 40, ? , ad. sk. Feb. 8, 1904. McMurdo Sound. 



No. 42, ,J,ad. sk. in full moult. Weighed 73 lbs. in the flesh. Jan. 1.5, 1903. McMurdo 



Sound. 

 No. 44, ^ , ad. sk. April 8, 1902. McMurdo Sound. 

 No. 45, 9 , ad. sk. April s, 1902. McMurdo Sound. 

 No. 46, 9 , ad. sk. April 8, 1902. JIcMurdo Sound. 

 No. 47, (J , vix ad. sk. Just moulted from immature plumage. Age 17 months. Jan. (1, 19()2. 



Lady Newnes Bay. 



