514 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
[Sterna] anzstheta SHARPE, Hand-list, i, 1899, 136, part.—Forses and RoBINson, 
Bull. Liverp. Mus., ii, 1899, 55, part (Bermuda). 
Sterna’ anzthetus Brewster, Auk, iii, 1886, 181 (Frogmore, South Carolina, 1 
spec., Aug. 25, 1885).—Wetts, Proc. U.S. Nat. Mus., ix, 1887, 632 (Grenada, 
breeding).—Scott, Auk, viii, 1891, 360 (Jamaica, breeding; habits; descr. 
eggs).—Cory, Cat. West Ind. Birds, 1892, 83 (Abaco, New Providence, 
Andros, Long, and Miraporvo Islands, Bahamas; Cuba; Jamaica; Sombrero; 
Guadeloupe; Dominica).—Frerp, Auk, xi, 1894, 119 (Kingston Harbor, 
Jamaica, breeding).—AMERICAN ORNITHOLOGISTS’ Union, Check List, 2d 
ed., 1895, no. 76 (excl. syn. and range, part).—ALLEN (G. M.), Auk, xxii, 
1905, 118 (Long Rock, off Abaco, Bahamas).—OLaRrK (A. H.), Proc. Bost. 
Soc. N. H., xxxii, 1905, 258 (St. Vincent; Grenadines; Grenada; descr. 
eggs)._Ritey, Auk, xxii, 1905, 353 (Andros, Eleuthera, and near Abaco’ 
Island, Bahamas). 
S[terna] anxthetus Ripaway, Man. N. Am. Birds, 1887, 46, part (Florida coast), 
Sterna ancetheta Hartert, Novit. Zool., ix, 1902, 309 (Aruba; habits). 
Sterna anzxtheta AMeRIcAN OrnitHoLocists’ Union, Check List, 3rd ed., 1910, 
46.—Rossteno1, Auk, xxx, 1913, 105 (coast of Georgia, 1 spec., Sept., 1902).— 
Wermore, Bull. 326, U. S. Dept. Agric., 1916, 46 (Desechio and Mona Is- 
lands, Porto Rico, breeding; food). 
Sterna anzsthetica Couss, Check List, 2d ed., 1882, no. 805. 
[Sterna] anzsthetica Couzs, Key, 2d ed., 1884, 769. 
Sterna nubdilosa (not of Sparrman) SunpEvait, K. Vet.-Ak. Stockholm Férh., 
1869, 589 (St. Bartholomew). 
Melanosterna anzthetus recognita Maraews, Birds of Australia, ii, pt. 4, no. 1, 
Nov. 1, 1912, 403 (Bahamas). : 
Melanosterna anzxtheta recognita OpERHOLSER, Auk, xxxiv, April, 1912, 199. 
STERNA ANZTHETA NELSONI Ridgway.¢ 
PACIFIC BRIDLED TERN. 
Similar to S. a. recognita but averaging larger, with relatively 
longer or more slender bill, and under parts of body tinged with pale 
gray. 
Adult male—Wing, 260-274 (267.7); tail, 163-178 (170); ex- 
posed culmen, 41.5-44 (42); tarsus, 20-21.5 (20.7) ; middle toe, 23-25 
(23.8).® 
Adult female.—Wing, 260-270 (265); tail, 169-170 (169.5); exposed 
culmen, 36-40.5 (38.2); tarsus, 20; middle toe (one specimen), 23.° 
Pacific coast of Mexico and Central America (Sihuatanejo, Guerrero, 
April 9, 1903; off coast of Central America, May 29, 1867). 
STERNA FUSCATA FUSCATA Linneus. 
_ Sooty TERN. 
Adults in summer (sexes alike).—Forehead (including latero-frontal 
antie and a lateral extension on each side of crown as far backward as 
middle of eye), suborbital region, lower half or more of auricular re- 
@ New subspecies. Type, U. 8. Nat. Mus. (Biol. Survey Collection), no. 185487, 
adult male, Sihuatanejo, Guerrero, Mexico, April 9, 1903; Nelson and Goldman. 
b Seven specimens, from Sihuatanejo, Guerrero. 
¢ Two specimens, one from Sihuatanejo, one from ‘‘off coast of Central America.” 
