BIRDS OF NORTH AND MIDDLE AMERICA. 447 



[Amazilid] cyanura Sclater and Salvin, Nom. Av. Neotr., 1873, 92, part (Guate- 

 mala) . 



A[mazilia\ cyanura Ridgway, Man. N. Am. Birds, 1887, 318, part (Guatemala); 

 Rep. U. S. Nat. Mus., 1890, 363, part (Guatemala). 



S[auceTottea'] cyanura Hartert, Das Tierreich, Troch., 1900, 52, part (Guatemala). 



Saucerottea cyanura guatemalx Dearborn, Pub. 125 (Om., i, no. 3), Field Mus. 

 N. H., Nov., 1907, 97 (Mazatenango, Dept. Suchitepequez, Guatemala; coll. 

 Field Mus. N. H.). 



SAUCEROTTIA DEVILLEI (Bourcier and Mulsant). 



DEVILLE'S HUMMING BIRD. 



vSimilar to S. beryllina heryllina, but primaries wholly dusky or 

 with only the extreme basal (concealed) portion rufescent, and 

 secondaries dusky for at least terminal half of exposed portion, 

 abdomen usually (at least in adult males) wholly metallic green, 

 and bronze color of tail usually more strongly purplish. 



Adult male. — Pileum, hindneck, back, and scapulars bright metallic 

 green (nearly grass green), the pileum usually darker or duller; rump 

 olive-bronzy, bronze, purplish bronze, or purplish, deepening into 

 more decided purple or violet-purple on upper tail-coverts; middle 

 rectrices metallic purplish bronze (usually darker and more purplish 

 terminally), the remaining rectrices dark chestnut or maroon mar- 

 gined with metallic reddish or purplish bronze or bronze-purple;" 

 remiges dusky, faintly glossed with violet, the basal half of exposed 

 portion of secondaries chestnut, the extreme basal portion of inner 

 primaries sometimes tinged with the same; under parts, including 

 abdomen, mostly bright metallic green (between grass green and 

 yellowish emerald green) ; under tail-coverts light chestnut or vina- 

 ceous-chestnut, usually indistinctly margined with paler; femoral and 

 lumbar tufts white; maxilla dull black, mandible whitish (reddish in 

 life) with dusky tip; iris dark brown; feet dusky; length (skins), 

 86-100 (92); wing, 49-55.5 (52.6); tail, 29-31 (30.2); culmen, 17-20 

 (18.5).^ 



Adult female. — Similar to the adult male, but duller in color, 

 especially the under parts, the lower abdomen sometimes pale buffy 

 grayish; the under tail-coverts paler and more grayish chestnut, with 

 (usually) broad and distinct whitish margins, and green of under 

 parts broken by narrow pale grayish or dull whitish margins to the 

 feathers, as well as whitish on basal and lateral portion of feathers 

 on gular region; length (skins), 87-95 (91); wing, 51-53 (51.8); tail, 

 29.5-30 (29.7); culmen, 26-27.5 (26.8).*' 



« In some specimens (possibly representing another form) all the rectrices, except 

 sometimes the middle pair, are clear chestnut margined terminally, more or lesa 

 broadly, with metallic golden, coppery, or purplish bronze. 



& Ten specimens. 



c Three specimens. 



