38 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Adult male.— Wing, 249-265 (259.1); tail, 97-109 (101.8); culmen, 

 70-82.5 (75.9) ; greatest depth of bill, 12.5-14.5 (13.3) ; tarsus, 50-56.5 

 (53.2); middle toe, 37.5-43 (39.2).« 



Adult fe7nale.~Wing, 245-275 (264.3); tail, 96-113.5 (104.9); cul- 

 men, 74-90 (83.5); greatest depth of bill, 12-14 (13); tarsus, 52-58 

 (55.7); middle toe, 38-44 (40.3).'^ 



Coasts and islands of Lower California (Carmen, Cerros, Cedros, 

 Ceralvo, San Geronimo, San Martin, Espiritu Santo, and Natividad 

 islands ; Los Coronados Islands ; La Paz ; San Quentin Bay ; Magdalena 

 Bay; Concepcion Bay; northward, casually, to Ventura County, 

 California, southward to Tepic (Maria Madre and Maria Cleofa 

 islands, Tres Marias group; Isabella Island; White Rock; San Bias), 

 Guererro (Acapulco; Cayacal; Sihutanejo).^ 



[?] Hsematopus ostralegus (not of Linnaeus) Vigors, Zool. Toy. "Blossom," 

 Birds, 1839, 29 (west coast of America). 



[?] Hxmato'pus ■palliatus (not of Temminck?) Fraser, Proc. Zool. Soc. Lond. 

 1843, 116 (Chile).— ScLATER and Salv'in, Ibis, 1859, 228 (mouth of Rio 

 Nagualate, Pacific side, Guatemala); 1870, 497 (Ancud, Chile). — Germain, 

 Proc. Bost. Soc. N. H., vii, 1860, 314 (Chile).— Salvin, Ibis, 1865, 190 

 {Chiapam, Guatemala); Proc. Zool. Soc. Lond., 1883, 429 (Paracas Bay, 

 Peru).— Grayso^t, Proc. Bost. Soc. N. H., xiv, 1872, 284 (Tres Marias 

 Islands, w. Mexico). — Lawrence, Mem. Bost. Soc. N. H., ii, 1874, 308 

 (Mazatlan, Sinaloa; Isabella Island; Tres Marias Islands; Rio Zacatula, 

 Colima); Bull. U. S. Nat. Mus., no. 4, 1876, 46 (San Mateo and San Francisco, 

 Oaxaca, Feb., April). — Taczanowski, Proc. Zool. Soc. Lond., 1877, 748 

 (Santa Lucia, Peru); Orn. du Perou, iii, 1886, 350. — Philippi, Ornis, vol. 4, 

 1888, 159 (Chanaral, n. Chile).— Sharpe, Cat. Birds Brit, Mus., xxiv, 1896, 

 114, part (Chiapam, Guatemala; Veragua). — Nelson, North Am. Faima, 

 no. 14, 1899, 34 (Tres Marias Islands; Isabella Island; coast near San Bias, 

 Tepic; crit.,i. — Salvin and Godman, Biol. Centr.-Am., Aves, iii, 1903, 

 347, part (Tres Marias; Isabella Island; Mazatlan; Rio Zacatulo; San Fran- 

 cisco, San Mateo, Tehuantepec, and Santa Maria del Mar, Oaxaca; Tonala, 

 Chiapas; Nagualate and Chiapam, Guatemala; Bahia de Salinas, Costa 

 Rica; Veragua; Panama). 



[?] [Hx7natopus] palliatus Forbes and Robinson, Bull. Liverp. Mus., ii, no. 2, 

 1899, 63 (Chiai^am, Guatemala). 



Ilxmatopus palliatus Belding, Proc. U. S. Nat. Mus., vi, 1883, 351 (La Paz, 

 Lower California). — Evermann, Auk, iii, 1886, 92 (Ventura Co., California). — 

 RiDGWAY, Proc. U. S. Nat Mus., v, 1883, 527 (Los Coronados Islands, Lower 

 California). — Sharpe, Cat. Birds. Mus., xxiv, 1896, 114, part (many ref- 

 erences in synonymy). 



o Fifteen specimens. 



& Also cited by Sharpe (Cat. Birds Brit. Mus., xxiv, 1896, 117) and others as occurring 

 on the coast of Peru (Paracas Bay; San Lorenzo Island) and Chile (Arauco, Province 

 of Tarapaca; Province of Santiago; Ancud; Chanaral), and even the Straits of Magellan. 

 Pacific coast citations of II. palliatus which may or may not be referable to this form 

 (see first paragraph on p. 34) are: Oaxaca (San Mateo; Santa Maria del Mar; San Fran- 

 cisco; Tehuantepec), Chiapa.'^ (Tonala), Guatemala (Chiapdm; mouth of Rio Na<i:tia- 

 late), Costa Rica (Bahia de Salinas) and PananiA (Veragua; San Miguel Island, Bay 

 of Panama). 



