BIRDS OF NORTH AND MIDDLE AMERICA. 765 
Adult male-—Wing, 144.5-152 (148); tail, 39-42 (40.7); exposed 
culmen, 14.5-16.5 (15.2); greatest depth of bill, 13-15.5 (14.4); 
tarsus, 26.5-31 (29.2); middle toe, 32-37.5 (35.4). 
Adult female —Wing, 140.5-152 (145.8); tail, 39-43 (40.9); greatest 
depth of bill, 13-15.5 (14.2); tarsus, 28-30 (28.8); middle toe, 32.5- 
36 (84.5).¢ 
Coasts and islands of Bering Sea and contiguous portions of 
northern Pacific Ocean; breeding from northeastern coast of Siberia 
and northwestern Alaska (including Diomede, St. Lawrence, Hall, 
St. Matthew, Pribilof, Walrus, and Otter islands, Bering Sea) south- 
ward to Kuril, Commander, Aleutian, and Shumagin islands; south- 
ward in winter as far as Monterey Bay, California, northern Japan, 
and Okotsk Sea; accidental in Sweden. 
Alca psittacula Pauuas, Spicil. Zool., i, fasc. v, 1769, 13, pl. 2, figs. 4-6 (Kamchat- 
ka).—BonnaTErreE, Tabl. Enc. Méth., i, 1790, 33, pl. 11, fig. 2.—Licutzn- 
STEIN, Verz. Doubl., 1823, 89, in text. 
[Alca] psittacula Guertin, Syst. Nat., i, pt. ii, 1789, 553.—Latuam, Index Orn., 
‘di, 1790, 794. 
Simorhynchus psittaculus Merrem, in Ersch u. Gruber’s Encycl., ii, 1819, 407.— 
ScHLEGEL, Mus. Pays-Bas, vi, no. 33 (Urinatores), 1867, 24.—Couzs, Proc. 
Ac. Nat. Sci. Phila., 1868, 36 (monogr.); Check List, 2d ed., 1882, no. 858. 
[Stmorhynchus] psittaculus Gray, Hand-list, iii, 1871, 97, no. 10786.—D’Hamon- 
VILLE, Cat. Ois. Eur., 1876, 72 (Sweden). 
S[imorhynchus] psittaculus Cours, Key N. Am. Birds, 2d ed., 1884, 806. 
Phaleris psittacula Tzemmincx, Man. d’ Orn., 2d ed., pt. ii, 1820, 929.—STeruens, 
Shaw’s Gen. Zool., xiii, pt. 1, 1826, 44.—Bonaparre, Ann. Lyc. N. Y., ii, 
1828 (‘‘Synopsis’’), 426; Geog. and Comp. List, 1838, 66.—NutTrauu, Man. Orn. 
U.S. and Can., Water Birds, 1834, 534.—Firzincrr, Atl. Nat. Vog., 1864, 
fig. 343.—Wauteren, Jagaref. Tidskr., 1867, 108 (Sweden).—Hartine, 
Proc. Zool. Soc. Lond., 1871, 121 (Bering Sraits).—Covss, Check List, 1873, 
no. 621; in Elliott’s Affairs in Alaska, 1875, 204.—Vian, Bull. Soc. Zool. 
France, i, 1876, 1, pl. 1 (Sweden).—Taczanowsx1, Bull. Soc. Zool. France, 
li, 1877, 52; viii, 1888, 346 (Kamchatka); Mém. Ac. St.-Pétersb., xxxix, 1884, 
1227 (e. Siberia).—Barnrows, Proc. Bost. Soc. N.H., xix, 1877, 155 (monogr.).— 
Riveway, Proc. U. 8. Nat. Mus., iii, 1880, 211 (Cat. N. Am. Birds, no. 
747); Nom. N. Am. Birds, 1881, no. 747.—Eni1orr, Monogr. Pribylov Group, 
a Ten specimens. 
om ae eisai 
. ‘ - ose es' 
Locality. Wing. | Tail. | POOP? | aspen | Tarsus.) MECTe 
men. | of bill. 
MALES. 
Hight adult males from Alaska...............eseeeenee 148.4 40.9 15.2 14.4 29.3 35.4 
Two adult males from Bering Island, Kamchatka..... 146. 2 40 15.5 14.5 29 35.7 
FEMALES. 
Nine adult females from Alaska ..........-..2.-.-005 145.9 40.8 14.8 14.3 28.8 34.7 
One adult female from Bering Island................-. 145 42 13.5 13 29 33 
