II. AVES. 



By EDWARD A. WILSON, M.B. 

 (13 Plates.) 



APTENODYTES FORSTERI. 



The Emperor Penguin. 



(Plates I. VII.) 



Aptenodyles forsteri, Gray, Ann. Mag. Nat. Hist. xiii. (1844), p. 315 ; Sharpe, Rep. 'South. Cross' (1902), 

 p. 109, ibiqw citato, ; Eagle Clarke, Birds of South Orkneys, Ibis, Jan. 1906, p. 1G6 ; K. A. Andersson, 

 Wiss. Ergeb. der Schwed. Sudpolar-Exped., Bd. V. 2 (1905), pp. 19-21. 



LIST OF MATERIAL IN THE ' DISCOVERY ' COLLECTION. 



No. 25, 9, 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. 6, 1902. Pack ice, 68 S. 178 E. 



No. 28, imm. sk. 5 months. Jan. 6, 1902. Pack ice, 68 S. 178 E. 



No. 29, imm. sk. 5 months. Jan. 5, 1902. Pack ice, 68 S. 178 E. 



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



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



No. 32, $ , ad. sk. Sept. 30, 1902. McMurdo Sound. 



No. 33, $ , 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 Ibs. in the flesh. April 8, 1902. McMurdo Sound. 



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



No. 38, <J, ad. sk. April 8, 11)02. McMurdo Sound. 



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



No. 40, 9 , ad. sk. Feb. 8, 1904. McMurdo Sound. 



No. 42, <J,ad. sk. in full moult. Weighed 73 Ibs. in the flesh. Jan. 15, 1903. McMurdo 



Sound. 



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

 No. 45, 9 , ad. sk. April 8, 1902. McMurdo Sound. 

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

 No. 47, <J , vix ad. sk. Just moulted from immature plumage. Age 17 months. Jan. 6, 1902. 



Lady Newnes Bay. 



