546 



S YS TEMA TIC S YNOPSIS. — PICA R LE —TRO CHILI. 



Frontal feathers covering nasal scale. 

 Bill not perfectly straight. 



Bill curved throughout. Tail forked, with almost filiform lateral feather Calolhorax lucifer 



Bill nearly straight. Length over 4 inches. Throat and breast green Eugenes fulgens 



Bill perfectly straight. 



Length over 5 inches Caligena clemencioB 



Length under 4 inches. 



Crown as well as throat with metallic scales. 



Scales lilac-crimson. Lateral tail-feather parallel-edged Calypte annce 



Scales violet. Lateral tail-feather acutely falcate Calypte costm 



Scales red Selasphorus Jioresii 



Crown simply glossy, like back ; throat with metallic scales. 

 Middle tail-featliers unlike back in color. 



Scales confined to ends of throat-feathers, their bases snow-white Stellula calliope 



Middle tail-feathers like back in color ; throat-scales forming a continuous surface. 



Lateral tail-feathers white-tipped ; none acuminate. Outer primary abruptly emarginate and acute 



Atthis morcomi 

 Lateral tail-feathers not white-tipped ; some or all acuminate. 



Throat-scales coppery-red ; back and tail greenish ; outer two primaries acute, falcate ; all the 



tail-feathers acuminate, the two outer acicular Selasphorus alleni 



Throat-scales coppery-red; back and tail mostly chestnut; primaries as in >S'. alleni; next to 



middle tail-feather abruptly notched Selasphorus ru/us 



Throat-scales lilac-red ; back golden-green ; 1st primary emarginate, turned outward, next ob- 

 liquely incised at end Selasphorus platycercus 



Throat-scales opaque black, becoming violet posteriorly; back golden-green; primaries not 



peculiar Trochilus alexandri 



Throat-scales ruby-red ; back golden-green. Primaries not peculiar (Eastern) 



Trochilus colubris 



EU'GENES. {QfX. elyevr}s, eugenes, weW-horu.) Fulgent Hummers. Of great size : about 

 5 inches long. Bill much longer than head, not quite straight, flattened and slightly widened at 

 base, subcylindrical in continuity, with lancet-pointed tip. Frontal feathers extending on nasal 



scale. Tail ample, in $ moderately 

 forked, in 9 double-rounded, all the 

 feathers broad, with rounded ends. 

 Tarsi feathered. A tuft of downy- 

 white at insertion of feet. Outer 

 primary but little narrower or more 

 falcate than the rest. Sexes nearly 

 alike in form, unlike in color. Bill 

 black; no white on tail of $ . 

 E. f ul'gens. (Lat. fulgens, glitter- 

 ing. Figs. 356, 357, 358.) Re- 

 fulgent Hummingbird. Rivoli 

 Hummingbird. Papantzin. $: 

 Tail simply forked. General body- 

 color shining golden-green above 

 and below, duller on belly and cris- 

 suin, on breast showing opaque 

 black when vievA-ed from before 

 backward. Crown glittering metallic violet in proper light, opaque black viewed obliquely 

 from behind forward. Gorget glittering emerald-green in proper light, opaque greenish -black 

 from the opposite direction. White marks about eyes. Tail like body, but more brassy. 

 Wing-coverts and lining of wings like body ; quills dusky-purplish. Large : length about 

 5.00; extent 6.50; wing 2.75 ; tail 1.75; bill over 1.00 from feathers on culmen, nearly 1.50 

 along gape. 9 : Upper parts like those of $, but crown like back. No emerald gorget, 

 whole under parts whitish, specked here and there with green ; throat with dusky specks. 



Nests of Rivoli and Black-Chinned Hummers. 



