352 NORTH AMERICAN BIRDS. 



Olive-plumbeous above ; beneath dingy white (not inter- 

 rupted on the breast) ; tinged posteriorly with sulphury (not 

 ochrey) yellow; wing-bands pale ash. Wing, 2.80; tail, 2.65 ; 

 culmen, .79 ; tarsus, .63. Hob. Bahamas. . var. hahamensis} 

 C. First quill much longer than fifth (sometimes equal to fourth). Tail much 

 shorter than the wing. Bill much smaller, less depressed, and more triangular ; 

 rictal bristles about one half the bill. 



5. C. virens. Colors of caribceus var. bahamensis, but rather more 

 olivaceous abov^, and more distinctly tinged with sulphur-yellow pos- 

 teriorly beneath. Lining of the wings, and axillars, without any 

 ochraceous tinge ; lower tail-coverts distinctly grayish centrally. 



Whitish of the lower pai-ts not interrupted on the breast. Wing, 

 3.40 ; tail, 2.90 ; culmen, .67 ; tarsus, .54. Hab. Eastern Province 



of United States var. virens. 



Whitish of medial lower parts interrupted by a grayish wash 

 across the breast. Wing, 3,40; tail, 2.65 to 2.70; culmen, .70; 

 tarsus, .54 to 56. Hab. Western Province of United States, south 

 throughout Middle America to Ecuador . . \av. richardsoiiir 



^ Conio2nis {caribceus var. ?) bahamensis, Bryant. Emjiidonax bahamensis, Bryant, List of 

 Birds of the Bahamas, 1859, p. 7. Young with the colors more ashy above, and less yellowish 

 beneath ; the upper parts with feathers faintly tipped with paler, causing an obsolete transverse 

 mottling ; two distinct bands on wing of pale ochraceous. 



Of the above, caribaiis, hisjmniolcnsis, and pallidus are clearly to be referred to one species ; 

 the C. bahamensis also has many characters in common with them, and no violence would be 

 done by referring it, also, to the same type ; it is, however, more modified from the standard 

 than any of the others, though the modifications are not of importance. 



2 These measurements are not only those of United States and Mexican examples, but also of 

 Middle American examples {"■ sordidulus," Sclater, and "■plebeius," Cabanis), and of a series 

 from Ecuador and New Granada {^ " bogotensis," Sclater). In comparing a quite large 

 number of such Middle American and Equatorial specimens with the large series of Northern 

 examples, we have been utterly unable to appreciate even the slightest diff'erence between them. 



The C. punensis (Lawr. Ann. N. Y. Lye. IX, 1869, 237 ; Puna Island, Guayaquil) is founded 

 ujjon an Immature specimen, so the characters of the species cannot he given with exactness. 

 The relationship appears very close to the C. caribceus, there being the same large, very depressed 

 bill, with the long bristles reaching nearly to its tip, and the tail about as long as the wing ; 

 while the upper plumage has the light faint transverse mottling seen in the young caribceus, var. 

 bahamensis, and the lining of the wing ochraceous. In colors, however, the two are very differ- 

 ent, the young of jjunensis being ashy-green, instead of pure ash, on the back, the crown very 

 much darker, instead of not appreciably so ; the wing-hands are white instead of ochraceous, 

 while the breast and sides are dull sulphur-yellowish, instead of ashy, without any yellow tinge. 

 The measurements are as follows : Wing, 2.60 ; tail, 2.60 ; culmen, .72 ; tarsus, .56. 



The C. ochraccus, Sclater & Salvin (P. Z. S. 1869, 419 ; Salv. Ibis, 1870, 115), of Costa 

 Rica, we have not seen. From the description, however, it seems to be scarcely different from 

 C. hujubris, and it is probably the same. The size (wing, 3.30) appears to be a little smaller, 

 and the belly more deeply yellowish. 



