26 Genera of Humming Birds. 



Galothorax enicura, Gray, Gen. Bird», vol. i., p. 110. 



Lucifer enicurus, Bon, Eev. and Magas. Zool., 1854, p. 257. 



Galliphlox henicura, Keich, Troch. Enum., 1855, p. 10. 



Thaumastura enicura, Gould, Mon. Troch., vol. iii., p. 157. 



Myrtis enicura, Cab and Heine, Mus. Hein., 1869, t. iii., 

 p. 59. 



Amalasia enicura, Muls., Cat. Ois., m. 1875, p. 29. 



Amalusia enicura, Muls., Hist. Nat. Ois., m. 1877, t. iv, 

 16. 



Slender Shear-tail, Gould, Mon., Troch, vol. iii., p. 157. 



L.Amalusie à queue singulière Muls., Hist. Nat. Ois., m. t. 

 iv., p. 17. 



Habitat. — Guatemala. 



Male. — Upperside and flanks golden-green. Chin black. 

 Throat metallic purple with blue reflections. Breast and 

 abdomen pale buff, sometimes deeper. Lateral rectrices, 

 purplish-black ; inner webs of two outer feathers narrowly 

 margined with buff. Median rectrices shining grass-green. 

 Bill black. 



Total length, 4§ in. Wing, If. Tail, 2|. Culmen, f. 



Female. — Upperside, golden-green. Median rectrices, shining 

 grass-green. Lores and ear-coverts, blackish-brown. Underside, 

 buff, a tuft of feathers (as in the males), under the thigh, white. 

 Tail feathers next the middle ones, rufous at base, then black 

 with white tips. Bill, black. 



Total length, 3 in. Wing, 1±. Tail, If. Culmen, f. 



This species is rather abundant in Coban, Guatemala. 



All the specimens of my collection are from that locality. 



38. Dortcha elizae, Less and Delattre Rev. Zool., 1839, 



p. 20. 



Myrtis eliza, Reich, Aufz. der Colib., 1853, p. 13. 

 Lucifer eliza, Bon. Rev. et Magas de Zool., 1 854, p. 227. 

 Galothorax eliza, Gray, Gen. Birds, vol. i., p. 110. 

 Thaumastura elizae, Gould, Mon. Troch., vol. iii., pi. 155. 

 Amalasia elizae, Muls., Cat. Ois., m. 1875, p. 29. 

 Amalasia elizae, Muls., Hist. Nat. Ois., m. 1877, t. iv, p. 20. 

 Mexican Shear-tail, Gould, Mon, Troch., vol. iii., p. 175. 



