506 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
Adult male.—Wing, 222-231.5 (230); tail, 166-214.5 (187.6); 
exposed culmen, 36-40.5 (38.1); tarsus, 18-20 (19); middle toe, 
17-18.5 (17.9).¢ ji 
Adult female.—Wing, 218.5-233 (230); tail, 138-215 (187.6); 
exposed culmen, 36-40 (38.1); tarsus, 18.5-20 (17.9).¢ _ 
Atlantic coast of United States, West Indies, and greater part of 
Eastern Hemisphere; breeding, locally, from Sable Island, near 
Nova Scotia, to Long Island (formerly from Maine to Florida), on 
outer Bahama cays, islets about Guadeloupe, and in Grenada, for- 
merly in Bermudas; migrating southward through West Indies 
(where doubtless breeding on many islands) to coast of British 
Honduras (Grassy Cay; Belize), Pacific coast of Oaxaca (Ventosa 
Bay), Trinidéd, and coast of Venezuela and Brazil; accidental in 
Ohio and northwestern Indiana (Lake Michigan, near Miller’s, Aug. 
14, 1916); in Eastern Hemisphere breeding in Europe from about lat. 
57° N. to Mediterranean Sea, Azores, and Madeira; also in Andaman 
Islands, New Caledonia, etc., and occurring, at least during migra- 
tions, along eastern coast of Asia from Liu Kiu Islands to Malay 
Archipelago, Moluccas, New Caledonia (breeding), Australia, etc. 
(?)Larus polo-candor Sparrman, Mus. Carls., fasc. iv, 1789, no. 83 (Polo-Condor 
Island, French Indo-China.® 
(?)Larus pulo-condor Lataam, Index Om. Suppl., 1801, p. lxviii—Vrem.or, 
Nouv. Dict. d’Hist. Nat., xxi, 1818, 497, 500. 
(?)Rissa polo-condor ReicHenBacH, Natatores, Novit., 1850, p. xi, pl. 274, fig. 
2278, 
Sterna dougalli Montacu, Suppl. Orn. Dict., 1818, text and plate (no pagina- 
tion; The Cumbraes, Firth of Clyde, Scotland; type now in coll. Liverpool 
Mus.; see Forbes and Robinson, Bull. Liverp. Mus., ii, no. 2, 1899, 54).— 
Leaca, Syst. Cat. Mam., etc., Brit. Mus., 1816, 41.—Cuvier, Régne Anim., 
Ois., 1817, 344, Atlas, ple 93—Tzmmincrk, Man. d’Orn., ed. 2, 1820, 738; 
ed. 1840, 4™° pte. 457.—Born, Isis, 1822, 563——Mnyrr, Taschenb., iii, 
@ Ten specimens (American). 
Ex- 
Middl 
Locality. Wing. | Tail. | posed | Tarsus. 
culmen. toe. 
MALES. 
Nine adult males from Atlantic coast of United States (Massa- 
chusetts to New York)...........0...02eceeeceeeceeeeeeeencs 230.9 | 187.2 38.3 19 17.9 
One adult male to Dominica....... 2... .2202020 00 2c eeee eee 222 192 36 19 18.5 
One adult male from Liu Kiu Islands (8. d. bangsi)............ 220 151.5 35 20 18 
One adult male from Culian Island, Philippines (S. d. bangsi)..| 220.5] 161.2 35.5 19.2 17.2 
FEMALES. 
Nine adult females from Atlantic coast of United States (Massa- 
setts to New York)...... 2.02.00. ccc cece cece ese c cence ccncence 227 181 37.6 19.2 17.9 
One adult female from Dominica..............22.....0000e esse 218.5 | 189 37 19.5 17.5 
One adult female from Liu Kiu Islands (8. d. bangsi).......... 215 164 36 19 17 
Three adult females from Culian Island, Philippines (8. d. bangsi) 216.5 | 155.3 36 19.2 17.7 
>See Sundevall, Kritisk Sparrm., 1859, 13. 
