352 CoKY oil tlir Birch oj titc West Indies. [ July 



on the breast ; belly greenish black; upper and under tail-coverts 

 bright bluish-green ; tail dark blue, showing slight purple reflec- 

 tions. 



The sexes are described as similar. 

 Length, 4.30; wing, 3; tail, 150; bill, .85. 

 Habitat. Lesser Antilles. 



Genus Aithurus Car. & Hein. 



Ail/ntrua Cab. & Hein. Mus. Hein. HI, p. 50 (1S60). 



Aithurus polytmus (Linn.). 



Trocliiliis folytmiis Linn. Sjst. Nat. 1, p. 189(1766). — Gmel. Syst. Nat. L 



p. 4S6 (17SS). — Lath. Ind. Orn. L P- 302 (1790). — Gosse, Bds. Jam. 



p. 97 (1847).— Gould, Mon. Troch. IV, pi. 98 (1S61). 

 Oriiisinya ccphalatra Less. Ois. Mouch. p. 78 (1829). 

 Trocliilns inuria Hill, Ann. Mag. Nat. Hist. KL p. 258 (1849). — Gosse, 



111. Bds. Jam. pi. 22. 

 Polytmus ccphalatra Bp. Consp. I, p. 72 (1850). 

 Polytmus ccphalater Bp. Rev. Mag. Zool. 1854, p. 254. — ScL. P. Z. S- 



1861, p. 79. — Albrecht, J. f. O. 1862, p. 201. 

 Aithurus polytmus Cab. &. Hein. Mus. Hein. Ill, p. 50 (i860). — Gould, 



Intr. Troch. octavo ed. p. 75 (1861). — March, Pr. Acad. Nat. Sci. 



Phila. 1863, p. 284.— Gray, Handl. Bds. I, p. 134 (1S69).— Scl. & 



Salv. Nom. Avium Neotr. p. 82 1^1873). — Elliot, Mon. Troch. p. 



96 (1878).— A. & E. Newton, Handb. Jamaica, p. 108 (18S1). — 



Cory, List Bds. W. I. p. 17 (1885). 

 Aithurus fuliginosus March, Pr. Acad. Nat. Sci. Phila. 1S63, p. 2S5. — ■ 



Gray, Handl. Bds. I, p. 134 (1869). 



Sp. Char. Male: — Top of bead, with elongated feathers, velvety black ; 

 back dark green; throat and undarparts bright green; wings 

 brown, with a tinge of purple ; tail black, the two long tail-feathers 

 showing peculiar uneven edging of the webs; bill dull red. 



Female: — Upper parts green, brownish on the head ; underparts 

 white, tinged with green on the sides and flanks; middle tail-feath- 

 ers green, bluish near the tip; outer tail-feathers heavily tipped with 

 white, wanting on the two middle feathers. 



Length, 8.50; wing, 2.50; tail, 5.50; bill, .80. 

 Habitat. Jamaica. 



Genus Thalurania Gould. 



Thalurauia GoULD, P. Z. S. 184S, p. 13. 



