THE IIUMMINC HIRDS. 363 



otlier groups of species* winch even Mr. l<]lliol< has aUovvcd to stand 

 as genera come so very close to AmazUia in their strnctnral and other 

 characters that it may prove necessary to refer them also to the last- 

 named genus. 



The twelve species of Amazilia (as recognized by Mr. Elliot) found 

 between the United States and Panama may be distinguished by the 

 following characters: 



Common Cha.iia.cters. — Above green, bronze-green, or bronzy; the 

 tail rufous, chestnut, bronzy, purple, or blue- black; lower parts green 

 anteriorly or entirely light cinnamon; sexes alike. 



«'. Lower parts partly green. 

 &'. Belly pure white. 

 c'. Tail purplisli black. Hah. Costa Rica to Panama. 



A. niveoventer (Gould). White-hellied Hiimm'iDg BirdA 

 c". Tail deep brouze. Had. latlimns of Panama. 



A. edwardii (De IjATT. and BouRC). Edward's Humming Bird.t 

 b-. Relly not white. 

 c'. Tail blue-black or dark steel-blue. 



rf'. Secondaries entirely black or blue-black. Hah. Nicara<]jua and Costa Rica. 

 A. sopliiw (BouRC. and MuLS.). Sophia's Unmming Bird.^s 

 d-. Secondaries rufous-chestnut, tipped with blue-black. Hah. (>natemala and 

 Nicaragua (Pacific side). 



A. cyanura GovLV. Jlliie-tailed Hiimminij Bird.\\ 

 c'K Tail bronzy, purple, or chestnut. 



d'. Tail greenish bronze. Hah. Eastern Mexico. 



A. ocai Gould. D'Oca's Humming Bird.% 

 d'. Tail purple or chestnut, 

 e'. Secondaries partly rufous. 

 /'. Secondaries with more than basal half rufous; tail deep chestnut glossed 

 with purple, the middle feathers purple. Hah. Southern Mexico. 



A. herijUina (Light.). J'x-rnUine Humming Bird."* 

 p. Secondaries with not more than basal half rufous; tail rich bronze- 

 purple. Hah. Guatemala. 



A.maria (BouRC.).tt Maria's Humming Bird. 

 e*. Secondaries without any rufous. 

 /'. Belly and Hanks dull brownish gray ; lores deep rusty. Hah. South- 

 eastern Texas to Ecuador. 



A. fuscicaudata (FuAS.). Riefftr's Humming Bird. (Page :i(56.) 



*For example: Agyrtria Reich., Urauomitra Reich., Kucrphala Reich., Timolia 

 MuLS., Arinia MuLS., and CaUipharus Elliot. 



\Troehilu8 ( ?) niveoventer Gould, P. Z. S., Ifi7)0, Kll. .lma:ilia nireiveutris Elliot 



Class, and Synop. Troch., 1879, 22-i. 



t Troehilus edwardi De Latt. aiul BoURC.Rev. Zool., 184(5, :U18. Ama:ilius edu-ardi 

 IjONap., Consp., 1, 18^)0, 78. 



S^ Troehilus sophiw BouRC. and MuLS. , Ann. Soc. Lyons, ix, lS4(i, :?18. Amazilius sophiw 

 BoNAP., Consp., 1, 1850, 78. 



II Amazilia cganura GoULD, Mon. Troch., pt. xviii, 18r)0, pi. 12; vol. v, pi. 3ir>. 



^ Amasilia ocni Gould, Ann. Mag. N. 7(!, ser. ;5, iv, 18.'")9, %; Mon. Troch. ,v, 1801, pi. 

 289. 



"* Troehilus heryllinus LiCHT., Pre is-Vcrz., 18:10, No. 26. Amasilia heri/Uina Gould, 

 Mon. Troch. pt. xxii, 1861 (vol. v, ISCl, pi. :n2). 



tf Troehilus maria BouRC, Ann. Soc. Ag. Lyon, IX, 1840, :U9. Amazilia maria; Elliot, 

 Class, and Synop, Troch., 1879, 222. 



