128 



SYNOPSIS OF THE HUMMING-BIRDS. 



Genus LXVI.— TILMATURA. 



Tilmatura, Reioh., Aufz. der Colib., p. 8 (1853). 

 Tryphcena, Gould, Intr. Trocli., octavo ed., p. 96 (1861). 



Ch. Bill as long as the head, straight. Wings 

 rather short. Tail deeply forked, outermost 

 feather tapering rapidly at the tip, and curved 

 inwards. Feet sn)all. Sexes dissimilar. 



Range. Restricted to Guatemala. 



But one species is known, remarkable for the 

 very unusual style of coloration exhibited on the 

 tail feathers of the male. In this respect it is 

 totally unlike all other members of the Trochilidse. 



Type. 



0. dtiponti, 

 0. duponti, 



Less. 

 Less. 



Fiff. 74. 



^^i 



Tiluiatnra duptmti. 3 • Guatemala. GouM. 



1. Tilmatura duponti. 



Ornismya duponti, Les.s., Ois. Mouch. Supp., p. 100, pi. 1 (1829). 



Ornismya ccelestis. Less., Trait. Ornitli. (1831), p. 276. 



Ornismya zemis, Less., Rev. Zool. (1838), p. 315. 



Mi'Uesuga duponti, Gray, Geii. Birds, vol. i, p. 113, sp. 71. 



Tryphoena duponti, Bon., Consp. Gen. Av., p. 84 (1850).— Gould, Mon. Troch., vol. iii, pi. 158.— Id., Intr. 



Troch., octavo ed., p. 97. 

 Tilmatura lepida, Reicf., Aufz. der Colib.. p. 8 (1853).— Id., Troch. Enum., p. 5, pi. 711, figs. 4010-14. 

 Thaumastura duponti, Bon., Rev. and Mag. Zool. (1854), p. 257. 

 Trochilus duponti, Jard., Nat. Lib. Humming-birds, vol. i, p. 131. pi. 26. 

 Tilmatura duponti. Cab. and Fein., Mns. Hein. Th., iii, p. 59 (note) (I860).— Muls., Cat. Ois. Mouch. (1875), 



p. 28.— Id., Hist. "Nat. Ois. Mouch., torn, iv, p. 11 (1877). 



ITab. Guatemala. 



Hale. Upper parts dark green, with a Avhite spot on each side of the rump. 

 Throat deep blue. Across the breast a band of white ; rest of under surface and 

 crissum green. Median rectrices short, shining green, next one dark brown^ the 

 next dark brown with a white spot on inner web, and white tip. Remainder dark 

 brown at base, then a band of rufous, then one of white succeeded by another of 

 dark brown, and tip white. Bill black. Total length, 4 in. "Wing, 1| in. Tail, 

 2 in. Culmen, | in. 



Female. Upper surftice bronzy-green with two bufFy-white patches on each side 

 of the rump. Under surface deep buff, with an indistinct band of white across the 

 breast, and vent white. Middle tail feathers green, rest green at base, remaining 

 part black tipped with white. Bill black. Total length, 2f in. Tail, | in. Wing, 



If in. 



Culmen | iu. 



