Il. AVES. 
By Epwarp A. Wrrson, M.B. 
(13 Plates.) 
APTENODYTES FORSTERI. 
The Emperor Penguin. 
(Plates —VII.) 
Aptenodytes forsteri, Gray, Ann. Mag. Nat. Hist. xtii. (1844), p. 315 ; Sharpe, Rep. ‘South. Cross’ (1902), 
p. 109, dbique citata ; Eagle Clarke, Birds of South Orkneys, Ibis, Jan. 1906, p-166; K. A. Andersson, 
Wiss. Ergeb. der Schwed. Siidpolar-Exped., Bd. V. 2 (1905), pp. 19-21. 
List oF Marerrau In THE ‘ DIScovERY’ COLLECTION. 
No. 25, 2, 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° 8. 178° E. 
No. 29, imm. sk. 5 months. Jan. 5, 1902. Pack ice, 68° 8. 178° E. 
No. 30, g, ad. sk. April 8, 1902. McMurdo Sound. 
No. 31, 9, ad. sk. April 8, 1902. McMurdo Sound. 
No. 82, g, ad. sk. Sept. 30,1902. McMurdo Sound. 
No. 33, g, 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, 9, ad. sk. This bird weighed 90 lbs. in the flesh. April 8, 1902. McMurdo Sound. 
No. 87, ad. sk. April 8, 1902. McMurdo Sound. 
No. 38, g,ad.sk. April 8, 1902. 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, g, ad. sk. in full moult. Weighed 73 lbs. in the flesh. Jan. 15, 1903. McMurdo 
Sound. 
No. 44, g, 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, 6, vix ad.sk. Just moulted from immature plumage. Age 17 months. Jan. 6, 1902. 
Lady Newnes Bay. 
