ART. 7 EEVISI0:N" of the GEISrUS BASILEUTEBTJS TODD 41 



Range. — Andean Kegion of Ecuador, from the liio Chimbo south- 

 ward, in the Tropical and Subtropical Zones, to the Province of 

 Piura, Peru. 



Remarks. — This very distinct and isolated species was at first con- 

 fused with the Setopliaga chrysogaster of von Tschudi, which is a 

 species related to Basileuteriis hivittatus (D'Orbigny and Lafres- 

 naye), and so it was not formally described as new until as late as 

 1883, The name fraseri, although given by Sclater, was actually 

 first published by von Berlepsch and Taczanowski in connection with 

 specimens from Chimbo and Guayaquil, and if the expression " iris 

 brun fonce " used in this connection is to be construed as a descrip- 

 tion the name would have to be attributed to these authors and tho 

 type locality fixed as Chimbo. But I am not prepared to insist upon 

 such a literal construction under the circumstances. 



Ba^ileutei'us fraseri goes far beyond B. coronatus in the develop- 

 ment of the gra}^ of the head, which spreads over the upper parts, 

 including the wings and the tail, the green color being reduced to a 

 mere wash on the middle of the back. This gray color has a decided 

 bluish cast, not approached by that of any other species of Basileu- 

 temis. The yellow of the under parts is bright, and includes the 

 throat. The coloration in general, and the head pattern in particu- 

 lar, are a close counterpart of that of Euthlypis lachrymosa of west- 

 ern Mexico, and suggest their relationship in spite of certain differ- 

 ences of proportion which are now regarded as of generic value, and 

 their discontinuous distribution. 



In the southern part of its range the color of the coronal spot, 

 which is the chief character of fraseri., appears to be fairly constant, 

 but toward the north this character varies greatly, even in speci- 

 mens from the same locality. A series of four skins from Coco, for 

 example, sliow a nearly complete transition from the typical race 

 to ochraceicrlsta. Sclater's type from Pallatanga, however, was a 

 yellow-crowned individual, as shown in. the plate. The Chimbo 

 example referred to by von Berlepsch and Taczanowski, now before 

 me, has some of the crown-feathers orange-tipped, while a second 

 (immature) example from the same place (No. 173,527, Collection 

 American Museum of Natural History) happens to be closer to the 

 ochraceicrista type. 



Speciinens examined. — Ecuador: La Chonta (2,000 feet), Oro, 19; 

 Santa Rosa, Oro, 13; Guainclie (3,200 feet), Loja, 4; Pullango (900 

 feet), Loja, 2; Naranjo (2,000 feet), Guayas, 2; Lunama (4,000 

 feet), Loja, 1; Portovelo (2,000-2,700 feet), Oro, 9; Punta Santa 

 Ana (3,650-4,500 feet), Portovelo-Loja trail, Oro, 2; CeboUal (3,100 

 feet), Loja, 2; Alamor (4,550 feet), 5; Coco, Rio Chimbo, 5 (inter- 

 mediate) ; Salvias, Zaruma-Zaraguro trail (3,600 feet), Oro, 1; 

 El Chiral (5,350 feet), Santa Rosa-Zaruma trail, Oro, 2; Junction 



