BIEDS OF NORTH AND MIDDLE AMERICA, 647 



Genus DORICHA Reichenbach. 



[CaUiphlo.r.] ^. Doricha Reichenbach, Aufz. der Colibr., 1854, ]2;Trocli. Enum., 



1855. (Type, Trochilus enicurus Vieillot.) 

 Dolicha « (emendation) Heine, Joum. fiir Orn., vi, May, 1863, 208, in text. 

 Elisa " Reich[enbach] " Bonaparte, Ann. Sci. Nat., 1854, 138. (Type, l^y 



tautonomy. Trochilus eliza Lesson and Delattre.) 

 Amalhuda (not of Fabricins, 1808, nor Rafmesque, 1815) Mulsant and Ver- 



REAUX, Mem. Soc. Imp. Sci. Nat. Clierb., xii (ser. 2, ii), 18G0, 229 (Classif. 



Troch., 18(56, 85). (Type, Trochilus enicurus Vieillot.) 

 Amalasia Mulsant, Ann. Soc. Linn. Lyon, n. s., xxii, 1876, 225 (Cat. Ois.- 



Mouch., 29). (Type, Trochilus enicurus YieiWot.) 

 Amalusia (emendation?) Mulsant and Verreaux, Hist. Nat. Ois.-Mouch., iv, 



1877, 15. 



Small Trocliilidse (leno;th, inckulino; lono; bill and tail, about 

 72-121 mm.) resemblino; Calothorax iii the long, slender, deciirved 

 bill and in coloration, but adult males with tail longer than wang, 

 the lateral rectrices rounded terminally and gorget not elongated 

 laterally, the adult females with tail deeply forked or strongly 

 double-rounded . 



Bill much longer than head, sle der, tei'ete, rather strongly 

 decurved; culmen rounded except basally, where contracted into a 

 rather indistinct ridge; tomia smooth; mandible with the usual 

 longitudinal median groove. Nasal operculum broad and strongly 

 convex (especially anteriorly) nude, but mostly concealed by the 

 decumbent frontal feathering, which extends forward considerably 

 beyond anterior end of nostril, forming a short and obtuse point 

 or antia on each side of culmen. Tarsus feathered, except on posterior 

 and lower portions; middle and outer toes about equal in length, 

 the inner slightly shorter, the hallux shorter than inner toe. Wing 

 less than twice as long as exposed culmen, the outer primary longest, 

 normal in shape. Tail in adult male slightly longer than wing 

 {D. eliza) to more than one and a half times as long (Z). enicura), 

 forked for nearly two-thirds {D. eliza) to more than three-fourths 

 its length (J), enicura), the lateral rectrices rounded terminally 

 (slightly expanded in T). eliza) ; in adult females tail nearly two- 

 thirds (Z>. eliza) to more than two-thirds {D. enicura) as long as 

 wing, forked (but with third rectrix longest) in D. enicura, strongly 

 double-rounded in D. eliza. 



Coloratiori. — Above, including middle rectrices, metallic ]:)ronze- 

 green or bronze. Adult males with throat metallic violet or reddish 

 purple (the chin dusky greenish in D. enicura), chest and median 

 line of body beneath buffy whitish, sides greenish or bronzy, lateral 

 rectrices purplish black edged, more or less, with light cinnamon- 

 rufous; females dull whitish {D. eliza) or cinnamon-buff beneath 



o "Ex dohxos (lang, gestrecht)." (Heine.) 



