URANOMITRA VIRIDIFRONS, Green-fronted Azure-crown, Cyanomyia viridifrons, Elliot, Ann. & Mag. Nat. Hist. (4) viii. p. 267 (1871).—Scl. & Salv Nomencl. Av. Neotr. peo (1873).—Mulsant, Hist. Nat. Oiseaux-Mouches, i. p. 224 (1874). Uranomitra viridifrons, Elliot, Synopsis of the Humming- Birds, p. 197 (1878). ee ee FS ip . 3 : ; : ‘ In his arrangement of the genus /ranomitra, Mr. Elliot places this species in his first se along with U. guadricolor and U. violiceps, all three s has the tail olive-green, the second has it bronzy red, ction of the genus pecies having the underparts white. The first-named whereas in UW, viridifrons the tail is described as metallic further differs in the green colour of the head. The type specimen is in Mr. Elliot’s collection and came from P follows :— golden with the tip bronzy red; and the species utla in Mexico. He describes it as “Forehead dark green, metallic in some lights, centre of crown dark grey; upper part of body brilliant light green; lower part of back bronzy brown ; wings purple; upper tail-coverts and tail rich coppery bronze; flanks grass-green ; entire underparts pure white; bill reddish, black attips. Total length 32 inches, wing 28, tail 1%, culmen #.” The Plate represents the male in two positions, and was drawn from the type specimen, which Mr. Elliot kindly lent us when he was in England. [R. B. S.J URANOMITRA MICRORHYNCHA. Small-billed Azure-crown. a ma isa 316. Cyanomyia microrhyncha, Elliot, Ibis, 1876, p. | Uranomitra microrhyncha, Elliot, Synopsis of the Humming-Birds, p. 197 (1878). ent known, is in Mr. Elliot’s private collection, and is believed to s kK : : section of the genus with the breast and abdomen white, but istinguishe its bronzy-red under tail-coverts. further distinguished by its bronzy-re a Tue typical specimen, the only one at pre have come from Honduras. It belongs to the with the flanks metallic green or bronze ; and x is Mr. Elliot gives the following description of the nee nantle shining metallic green; rest of upper “Top of head and occiput dark metallic blue, se eee: sane white, with a few metallic green parts bronzy red; throat, upper part of eae ae metallic bronzy red; wings deep anks ¢ , Rte 1 2S, HN 2 steve) Sear eat TELS eee among the white ones Total length 32 inches, wing 22, tail Is, . : ‘nle: tail brilliant metallic bronze. brown, slightly streaked with purple ; tail brilliar é culmen 2,” [R. B. S.J