470 BULLKTIN 50, UNITED STATES NATIONAL MUSEUM. 



Vermivora rubricapiUaSyi'Ai^soN and Richardson, Fauna Bor.- Am., ii, 1881, pi. 

 42, upper fig. — Jardine, ed. Wilson's Am. Orn., i, 1832, 407. — Bonaparte, 

 Geog. and Comp. List, 1838, 21.— Nuttall, Man. Orn. U. S. and Can., 2d 

 ed., i, 1840, 472.— Reinhardt, Vid. Med. Nat. Forh., 1854, 82 (Green- 

 land). — Brewer, Proc. Bost., Soc, vi, 1856, 4 (descr. nest and eggs). 



Sylvicola rubrlcapUla Richardson, Rep. Brit. Assoc, for 1836 (1837), 171. 



Hel'maia rubricapilla Avduboh, Synopsis, 1839, 70; Birds Am., oct. ed., ii, 1841, 

 103, pi. 113. 



[Helmitheros'] rubricapilla Bonaparte, Consp. Av., i, 1850, 315. 



Helmiiheroif rabricapillus Sclater, Proc. Zool. Soc. Lond., 1856, 291 (Cordova, 

 Vera Cruz) . 



H[elmhithophagfi] rubncapilla Cabanis, Mus. Hein., i, 1850, 20. — Sclater, Proc. 

 Zool. Soc. Lond., 1859, 363 (Jalapa, Vera Cruz). 



MniotUta rubricapilla Reinhardt, Ibis, 1861, 6 (Gotthaab and Fiskensesset, 

 Greenland, 2 specimens). 



HelminUiopli'da rubricapilla Faxon, Auk, xiii, July 1896, 263. — American Orni- 

 thologists' Union Committee, Auk, xiv, 1897, 130. 



Sylria leucogastra Stephens, Shaw's Gen. Zool., x, 1817, 622 (based on Sylma 

 ruficapilla Wilson). 



Sylvia, nashvillei Bonnaterre and Vieillot, Enc. Meth., ii, 1823, 451. 



\_Helminthophaga ruficapilla.'] var. oc((larls RiDCiWAY, in Baird, Brewer, and Ridg- 

 way's Hist. N. Am. Birds, i, 1874, 191 (Chicago, Illinois; coll. U. S. Nat. 

 Mus.). 



HELMINTHOPHILA RUBRICAPILLA GUTTURALIS (Ridgway). 

 CALAVERAS WARBLER. 



Similar to //. r. rnhricapilla., but olive-green of rump and upper 

 tail-coverts briohter, more yellowish, yellow oi under parts l)righter, 

 lower abdomen more extensivel}^ whitish, and greater wing-coverts 

 lighter, more j^ellowish olive-green.^ 



Adult male.— Length, (skins), 102.9-120.6 (113.3); wing, 68.9-62.5 

 (60.2); tail, 43.2-47.7 (45.5); exposed culmen, 9.4-10.2 (9.6); tarsus, 

 16.5-17.3 (16.8).' 



Adult female.— L^wgth (skins), 97.8-104.1 (102.1); -wing, 53.8-55.6 

 (54.6); tail, 38.9-41.1 (40.4); exposed culmen, 8.6-9.6 (9.1); tarsus, 

 16.3-17 (16. 5).'' 



Western United States, breeding on high mountains, from the 

 Sierra Nevada (Calaveras Co., California) to British Columbia (Vernon, 

 Nelson, Okanogan district, etc.), eastward to eastern Oregon (Fort 

 Klamath), northern Idaho (Fort Sherman), etc.; southward during 

 migration to extremity of Lower California, and over western and 

 northern Mexico, and southeastward to Texas (San Antonio; Tom 

 Green County; Concho County). 



^In many specimens one or more of the characters given above fail of verification, 

 but in no case, so far as the material examined indicates, do they all fail. 

 *Six specimens. 

 'Three specimens. 



