BIRDS OF NORTH AND MIDDLE AMERICA. 



477 



Adult female.— Wing, 270-294 (283.5); tail, 99-121 (111.8); 

 exposed culmen, 49.5-53 (50.9) ; tarsus, 25-26 (25.5) ; middle toe, 

 18-20 (19) .« 



Breeding along South Atlantic and Gulf coasts of United States, 

 from North Carolina (Pimhco Sound; Royal Shoal Island) to Florida 

 and Texas (Padre Island ; Galveston Bay) ; migrating southward to 

 Bahamas, Greater Antilles (Cuba; Jamaica; Porto Rico; Antigua), 

 Gulf and Caribbean coasts of Mexico, British Honduras (Light House 

 Reef, May; Saddle Cay; Northern Two Cays), Honduras, and coast 

 of South America, from Colombia (Cartagena) to southern Brazil 

 (Rio de Janeiro), and Pacific coast of Oaxaca (Gulf of Tehudntepec; 

 San Mateo, Aug., Feb.) and Guatemala (Chiapam, Jan.) ; wintering 

 northward to Bahamas, Florida, Louisiana, etc.; accidental north- 

 ward, in summer, to Virginia (Cobbs Island), New Jersey (Grassy 

 Bay), Massachusetts (Chatham, Aug., 1865), and Ontario (Lucknow 

 Spring, 1882, 3 specimens). 



Sterna boysii (not of Latham, 1790) Nuttall, Man. Orn. U. S. and Can., Water 

 Birds, 1834, 276. 



Sterna cantiaca (not of Gmelin, 1789) Audubon, Orn. Biog., iii, 1835, 531, pi. 279; 

 Synopsis, 1839, 317; Bii-ds Am., 8vo. ed., vii, 1844, 87, pi. 431.— De Kay, New 

 York ZooL, Birds, 1844, 303, pi. 124, fig. 274.— Turnbull, Birds E. Penn.and 

 N. J., 1869, 47 (New Jersey; straggler).— Allen, Am. Nat., iii, 1870, 644 

 (Massachusetts). — Pelzeln, Orn. Bras., 1870, 324 (Rio de Janeiro). — Sclater 

 • and Salvin, Proc. Zool. Soc. Lond., 1871, 569, part (monogr.). — Coues, Check 

 List, 1873, no. 564; 2d ed., 1882, no. 796.— Saunders, Proc. Zool. Soc. Lond., 

 1876, 653, part (monogr.); Cat. Birds Brit. Mus., xxv, 1896, 75, part (Laguna 

 Verde and La Antigua, Vera Cruz, Sept.; Cozumel Island, Feb.; Lighthouse 

 Reef, Brit. Honduras, May; Chiapam, Guatemala, Jan.; Cartagena, Colombia, 

 Feb.; and other American localities). — Sennett, Bull. U. S. Geol. and Geog. 

 Surv. Terr., iv, 1878, 65 (coast of Texas, breeding). — Merrill (J. C.), Proc. 

 U. S. Nat. Mus., i, 1878, 172 (Padre Island, Texas, breeding).— Cory, Birds 

 Bahama Is., 1880, and 2d ed., 1890, 211.— Salvin, Ibis, 1889, 379 (Cozumel 

 Island). — Salvin and Godman, Biol. Centr.-Am., Aves, iii, 1903, 405 (Gulf 

 of Tehuantepec and San Mateo, Oaxaca; Laguna Verde and La Antigua, 

 Vera Cruz; Celestin and Cozumel Island, Yucatan; Lighthouse Reef, Saddle 

 Cay, and Northern Two Cays, Brit. Honduras; both coasts Guatemala). 



a Four specimens. 



Locality. 



MALES. 



Five adult males from Europe and northern Africa ( T. s. 



sandvicemis) 



Five adult males from eastern United States 



FEMALES. 



Two adult females from Europe (France) ( T. s. sandvicensis). . . 

 Four adult females from eastern North America 



Wing. 



296.8 

 278.2 



279.5 

 283.5 



Ex- 

 Tail, posed 

 culmen. 



141.1 

 126.2 



126.2 

 111.8 



53.1 

 53.3 



50.5 

 50.9 



Tarsus. 



25.5 



25.5 



Middle 

 toe. 



20.7 

 19.5 



