7. CYPSELOIDES. 493 



and C. brunneitoi-qiies are better placed with Cy^iscloides, although 

 the spines are a little visible. 



liange. The greater part of America and the West Indies. 



Key to ilie Species. 



a. The male -with a rufous collar. 



a'. Chin blackish brown brunneitorques, p. 493. 



b'. Chin rufous rutilus, p. 493. 



b. The male uniform like the female. i ■ ^04 



c'. Tail deeply eraaroinate - ; V a'ok 



„ r,, -, 1 ' -' , f' I Ourcahs, p. 490. 



a. lail subequal. ' '^ 



a". Much larger; wing about 6'9 inches. sewe.r, p. 496. 



b". Much smaller ; wing about 5'8 



inches ftmtir/aftis, p. 496. 



1. Cypseloides rutilus. 



Iliruudo riitila, Vicill. Kouv. Diet. xiv. p. 528 (1817) ; Leot. Ois. 



Trinidad, p. 87 (1806) ; 8d. Ibis, 1807, p. 107. 

 Hirundo rol)ini. Less. Traite d'Orn. p. 270 (183D. 

 Chffitura rutila, Scl. P. Z. S. 1863, p. 100 (part.) ; id. P. Z. S. 1865, 



p. 613 (part.) ; Salv. ^ Godm. Ibis, 1882, p. 82 (Merume Moun- 



taais) ; Salv. Ibis, 1S85, p. 437 (Guiana). 



Adult male. Tail slightly but perceptibly emarginate. Forehead 

 and crown, back, rump, wings, tail, abdomen, under and upper tail- 

 coverts, under and upper wiug-coverts black ; crown and back 

 rather glossy ; wings and tail more brownish ; chin, throat and 

 upper breast, and a broad collar round the neck bright rufous. 

 Total length about 5-4 inches, wing 5-4, tail 2-4, tarsus O'o. 



Foiude. Unknown to mc. Probably without red collar as in the 

 female of C. brunneitorqucs. 



Huh. Guiana, Trinidad, and perhaps Venezuela (?). 



a. (S ad. sk. Merume Mts., Brit. Guiana, Salviu-Godman Coll. 



July 27 (if. Whitely). 



2, Cypseloides brunneitorques. 



Cha^tura brunneitorques, Lafr. Rev. Zool. 1844, p. 81 ; B]^. Consp. 



i. p. 04 (1850) ; liidyic. Man. N. Amer. B. p. 303 (1877) (Mexico) ; 



Sulv. ^- Godm. Ibis, 1882, p. 83. 

 Acauthylis rutila, -Se^. P. Z. S. 185.5, p. 135. 

 Chietura rutila, Scl. S,- Salv. Ibis, 1860, p. 37, pi. 3 ; iid. P. Z. S. 



1809, p. 363 ; Scl. P. Z. S. 1803, p. 100 (part.) ; id. P. Z. S. 1865, 



p. Olo (part.); id. J.f. O. 1867, p. 135 (part.); Sutnichr. Ntttur- 



ulcza, V. p. 250 (1882). 



Adidt male. Tail-feathers subequal. Very similar to the true 

 C. ralilas, but easUy distinguished by the dark sooty-blackish chin 

 and upper throat. Besides this, the blackish crown is extended 

 a little further down, the rufous coUar is darker, rather more fer- 



