Faune Obnithologique de la Sibeeie Obientale. 
37 
La description originale de Mr. Ridgway est la suivante: 
«Young 2. (Nro 89127, collectors Nro 1055, Bering Island, May 15, 1882). 
Gronnd color of pileum, nape, upper back, rurap, witli lesser and iniddle wing-coverts dirty 
white, spotted witli grayisb brown, the spots of tlie latter coloi being cbiefly subtf'riniua , 
often occupying the tip ofthefeathers; upper partof rurap with white largely predoramating; 
greater wing-coverts and longer scapulars uniforra dusky, bordered termmally with niottle 
dirty grayisb white; tertials uniforra slate dusky; upper tail-coverts raottled dusky terrai- 
nally, raottled white basally; reraiges uniforra brownish black; rectrices blackish dusky 
the inner webs much raottled with pale grayish and buffy white. Side of head with a broad 
and distinct stripe of nearly uniforra brown, occupying the entire orbital and auncular ré- 
gions. Entire lower parts white, ail the feathers with distinct dusky shafts; those of throat 
streaked with pale brown, those of jugulura and upper breast with a large termina spo o 
dusky raany of the feathers of sides and abdomen with small and usually indistinct brown 
terminal spots; thigs and crissura dirty white, the feathers with dusky terminal spots, these 
largest on crissura, and on upper and inner portions of thigs coalesced so as to form the 
predominating color. Under side of wing white, spotted with dusky». , , ^ 
«Jris faint yellowish white. Bill horny brown; cere yellow, on culmen shaded with 
horny brown. Feet vivid golden yellow». 
«Dimensions. Total length 890 mm.; stretch of wing 2220 mm., wing G30 mm., 
feathers 322 ram.; culmen frora cere 56 ram., radius of ciirvature frora cere to t.p 3o ram.; 
height of upper raandible at fore border of cere 29 mm., external bord of liind claw 
44 mm.» (Stejneger). , > 
Cet oiseau, comme l’avoue l’auteur même est fort douteux et n est probablement qn une 
variété individuelle du pygargue commun. 
1 1 . Haliaetus pelagicus. 
Aquila marina Steller. M. S. 
Aquila pelagka Pall. Zoogr. Ross. As. 1, p. 343. tb. XVIII. 
Falco leucopterus Te mm. P. C. CDLXXXIX. 
Falco imperatm- K\ttl '• ' P. f g” ’ ^ et Schl.Faun. Jap., Av. p. 10, tb. IV.- 
Haliaetus pdagicun Kaup, Ok. Tsis. 1847, I' . , t qq, ti « 022 Przew 
M,.. n m nîc.r m bÎi’;: LS fl'Z, 
Bull. Soc. Z«ol.'Fr. 1884. p. 145.-NikolBlà. Ile de Sakhal, et saFau„e.p. 221,(en™se).- 
DaYid, et Oust. Ois. Chine, p. IS.-Sharpe, Cat B. Bnt Mus. I, p. 306. 
jjaliaehis {ThalassaMuaj pelaÿîms Kaup. Wiegra. Areh. 18.50, p. 39. , r, , . , 
tZZsJus pelasi.» àr. II List. B. Brit. Mus. I, p. 17.-Stej„eg. Orn. Espl. Co.nand. Isl. a 
Kamtsch, p. 217; Pr. D. S. Nat. Mus. 1887, p. 141. 
