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Show 1870.] MR. P. L. SCLATER ON THE GENUS COCCYZUS. 167 Supra fuscus, fronte cinerascente : regione auriculari nigricante : subtus pallide fulvus : rectricibus lateralibus nigris, albo late terminatis, mediis duabus dorso concoloribus: rostro superiore nigro, inferiore ad basin aurantiaco: long, tota 12, alee 5*2, caudce rectr. med. 6*2, lat. 3*7. Hab. Florida (Audubon) ; Cuba (Gundlach) ; Jamaica (Gosse) ; S. Domingo (Salle); Porto Rico (Bryant) ; Sta. Cruz (Newton) ; Dominica (Taylor) ; S. Lucia (Mus. P. L. S.) ; Guadeloupe et Martinique (Mus. Paris) ; Honduras (Whitely) ; Chiriqui (Kellett, Mus. Brit.); Trinidad (Leotaud); Cayenne (Mus. Brit.); Brit. Guiana (Schomb.) ; Cajutata near Para (Natt.). I have seven skins of this Cuckoo in m y collection from Jamaica, S. Domingo, Porto Rico, Honduras, and S. Lucia. I have also examined those in the British Museum, from Chiriqui, Trinidad, and Cayenne, and am now of opinion that they are all referable to one species. For this we must employ the specific name minor, imposed by Gmelin upon Buffon's Pl. Enl. 813, which unmistakably represents the species. When I wrote m y American catalogue I was inclined to believe there might be two allied species of this form-an insular one, which I then termed dominicus, and a continental one, distinguishable principally by its thicker bill, which I considered to be the true minor (sive seniculus). Iu m y paper on the genus, written in 1864, I retained this view, merely adopting for the species previously termed dominicus the name nesiotes, under which Cabanis and Heine had then described it. Having now had an opportunity of examining more specimens, I have come to the conclusion that there are no sufficient grounds for maintaining these two supposed species as distinct. The differences consist chiefly in general dimensions and size of the beak ; but there is much variation in both these particulars. The type of Cabanis and Heine's C. nesiotes, as pointed out by Dr. Bryant (P. B. S. N. H. x. p. 255), is probably a young bird. 3. COCCYZUS FERRUGINEUS. Coccyzus ferrugineus, Gould, P. Z. S. 1843, p. 105, et Zool. Voy. Sulphur, p. 46, pl. 29; Bp. Consp. i. p. 97. Nesococcyx ferrugineus, Cab. et Hein. Mus. Hein. iv. p. 79. Rufus, pileo cineraceo : subtus pallide fulvus : alis extus rufis; caudee rectricibus externis pallide fulvis, ad apicem albicantibus ; proximis utrinque versus apicem nigricante brunneo sub-obsolete notatis, duabus mediis dorso concoloribus : rostro nigricante, mandibula ad basin flava: long, tota 10, alee 5*2, caudce 6. Hab. Cocos Island, Pacific. The typical specimen of this species is now in the British Museum, and is the only individual yet obtained, as far as I know, Cocos Island being far out of the track of ordinary collectors. The bird appears to m e to be a true Coccyzus, though with somewhat of the rufous colouring of a Piaya. I have placed it in the yellow-billed |