BIKDS OF NORTH AND MIDDLE AMERICA. 519 



[Ilaliplana] fuliginosa Gundlach, Journ. fiir Orn., 1861, 346 (Cuba). 



Sterna (naliplana) fuliginosa Coues, Birds Northwest, 1874, 698, part (monogr.). 



Onycho prion fuliginosus Sclater, Proc. Zool. Soc. Lond., 1856, 144 (Ascension 

 Island).— Newton (A. and E.), Ibis, 1859, 371 (St. Croix, Lesser Antilles).— 

 Cassin, Proc. Acad. Nat. Sci. Phila., 1860, 379 (St. Thomas, Greater 

 Antilles). — Sclater and Salvin, Proc. Zool. Soc. Lond., 1871, 572, part 

 (monogr.). — Giqliol^ Ibis, 1881, 218 (Piedmont, Italy); Avifauna Ital., 

 1886, 415.— Zeledon, Cat. Aves de Costa Rica, 1882, 36. 



[Oni/cho prion] fuliginosus Sclater and Salvin, Nom. Av. Neotr., 1873, 147, part. 



[Sterna] spadicea Gmelin, Syst. Nat., i, pt. ii, 1789, 610 (Cayenne; founded on 

 the Brown Tern Latham Syn., iii, 2, 359, no. 12). — Latham, Index Om., 

 ii, 1790, 807 (Cayenne). 



Sterna spadicea Vieillot, Nouv. Diet. d'Hist. Nat., xxxii, 1819, 175. 



Anous? spadicea Stephens, Shaw's Gen. Zool., xiii, pt. 1, 1826, 143. 



Anous I'Jierminieri Lesson, Descr. Mam. et Ois., 1847, 255 (Antilles; =young).' 



STERNA FUSCATA CRISSALIS (Lawrence). 



SOCORRO SOOTY TERN. 



Similar to >S'. /. fuscata but underparts much moro strongly tinged 

 with gray, this gray tinge extending forward to chest, though deeper 

 posteriorly ; similar in coloration to S.f. oahuensis "■ but lateral rec trices 

 less elongated and with inner webs more extensively dusky terminally. 



Adult male.— Wing, 280-292 (286); tail, 135-170 (151.2); exposed 

 culmen, 39.5-43.5 (41.4); tarsus, 21-23 (21.7); middle toe, 19.5-20.5 

 (20.2)." 



Adult female.— Wing, 271-298 (285.2); tail, 124-161.5 (152.9) 

 exposed culmen, 41-43.5 (41.9); tarsus, 21-23 (22); middle toe, 

 20-21.5 (20.7).'^ 



Pacific coast of Mexico and Central America, from Sinaloa (Mazat- 

 Un) and Tepic (Tres Marias Islands; Isabella Island) to Panama 

 (Panama; Santiago de Veragua) and southward to Clipperton Island 

 and Galapagos Archipelago (Grossman, Culpepper, and Wenman 

 islands) ; breeding on Isabella Island, off Tepic, Socorro Island and 

 Oneal Rock, ReviUagigedo group, Clipperton Island, and Culpepper 

 Island. 



(?) Sterna luctuosa Philippi and Landbeck, Wiegmann's Archiv fiir Naturg., 



1866, i, 126 (Valdivia, Chile). 



Ualiplanafuliginosa (not Sterna fuliginosa Gmelin) Salvin, Proc. Zool. Soc. Lond., 



1867, 161 (Santiago de Veragua, Panama). 



Sterna fuliginosa (not of Gmelin) Anthony, Auk, xv, 1898, 316 (Socorro Island, 

 breeding). — Rothschild and Hartert, Novit. Zool., vi, 1899, 89 (Culpepper 

 Island, Galapagos), 107 (at sea north of Culpepper Island), 191 (Culpepper and 

 Wenman islands, crit.); ix, 1902, 413 (Culpepper Island, breeding; Clipper- 

 ton Island), 418 (Culpepper Island, breeding; Wenman Island). — Snodgijass 

 and Heller, Proc. Wash. Acad. Sci., iv, 1902, 505 (Clipperton Island; descr.; 

 measurements; habits; descr. eggs).— Salvin and Godman, Biol. Centr.- 

 Am., Aves, iii, 1903, 409, part (Socorro, Isabella, and Tres Marias islands and 

 Mazatlan, w. Mexico; Panama and Santiago de Veragua, Panama). — Gifford, 



<»See p. 488. b Four specimens. <= Six specimens. , 



