THE BIRDS OF CLIPPERTON AND COCOS ISLANDS 517 



Range. — Tropical and subtropical parts of the Atlantic and Pacific 

 Oceans. In the Eastern Pacific: Guadalupe Island, Rivillagigido 

 Archipelago, Clipperton Island, Cocos Island and Galapagos Archi- 

 pelago. 



Common everywhere throughout the eastern tropical Pacific, rang- 

 ing far from land. Breeds on the Rivillagigido and the Galapagos 



Islands. 



DUCK. 



A duck, species unknown, we were told by the people living on 

 Clipperton Island, is common in the lagoon during the winter. 



COCCYZUS FERRUGIXEUS Gould. 



Coccyzus ferrugineus Gould, Proc. Zool. Soc. Lond., p. 104, 1843 (Cocos 

 Island). — Gould, Zool. Voy. Sulphur, p. 46, pi. 29, 1844. — Sclater, 

 Proc. Zool. Soc. Lend., p. 167, 1870. — Shelley, Cat. Birds Brit. Mus., 

 XIX, p. 303, 1891. — TowxsEXD, Bull. Mus. Comp. Zool., xxvii, No. i, 

 p. 124, 1895. 



Ra7ige. — Cocos Island. 



Adult Male. — Cat. Xo. S^SO? Stanford University Museum, from 

 Cocos Island, June 30, 1S99. ^op of head dark plumbeous-gray. 

 Lores and auriculars blackish. Scapulars and fore part of back brown- 

 ish-olive. Lower part of back and upper tail coverts grayish-olive. Pri- 

 maries bright rufous, fading into buff at their bases and into brown at 

 their tips. Secondaries olive-brown above, with pale rufous edgings; 

 very pale rufous below. Upper wing coverts the color of the back, 

 with wide rufous edgings. Alula olive-brown, the feathers edged with 

 rufous. Middle tail feathers greenish-bronze, blackening subterminally, 

 with narrow white margins at tips. The other tail feathers black, 

 fading into buff at their bases, each with a large terminal white spot 

 occupying both webs, that of the outer longest, 32 mm. in length. 

 Ventral surface, sides of body and under wing coverts bright buff, 

 whitening on the chin. Bill black except the basal half of the lower 

 mandible which is bright yellow. Feet black. Length 327 mm., 

 wing 133, tail iSo, culmen 31, basal width of bill 9, basal depth of bill 

 10, maxilla from nostril, iS, tarsus 29, middle toe 19.7. 



One specimen was obtained at Chatham Bay, Cocos Island, June 

 30. No others were seen. Two specimens were secured by Townsend 

 and one by the collectors of H. M. S. Sulphur. 



Genus Nesotriccus Townsend. 

 iV^j<7/r?Vr«5 Townsend, Bull. Mus. Comp. Zool., xxvii, p. 124, 1895. 



"Allied to Eribates of the Galapagos Islands, but with bill rela- 



