428 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Uranomitra cyanocephala 'EijULOT, Claesif. and Synop. Troch., 1879, 197, part. — 

 RiDGWAY, Proc. U. S. Nat. Mus., xiv, 1891, 471 (San Pedro Sula, Honduras). 



Amazilia q/anocephala Bangs, Bull. Mus. Comp. ZooL, xxxix, 1903, 144 (Yaruca, 

 Honduras; crit.). 



Cyanomyia guatemalensis Gould, Introd. Troch., oct. ed., 1861, 148 (Guatemala; 

 coll. J. Gould). — ScLATER, Cat. Am. Birds, 18C2, 312 (Coban, Guatemala).— 

 Salvin, Cat. Birds Brit. Mus., xvi, 1892, 198, 660 (southern pine ridge, Brit. 

 Honduras; Poctun, Coban, mts. of Chilasco, Panajachal, and Dueiias, Guate- 

 mala; Matagalpa, Nicaragua). — Mulsant, Ann. Soc. Linn. Lyon, xxii, 1876, 

 31. — Lawrence, Proc. Bost. Soc. N. H., xiv, 1871, 284 (Tres Marias Islands; 

 error). — Salvin and Godman, Biol. Centr.-Am., Aves, ii. 1892, 291. 



Cyanomia guatemalensis Lawrence, Mem. Bost. Soc. N. H., ii, 1874, 292 ("Tres 

 Marias;" error). 



Cyanomya guatemalensis Boucard, Notes quelques Troch., 1873, 9 (Vera Paz, 

 Guatemala); Anal. Soc. Linn. Lyon, xx, 1874, 277 (do.). 



[Cyanomya] guatemalensis Mulsant, Ann. Soc. Linn. Lyon, n. s., xxii, 1876, 204. 



C[yanomyia] guatetnalensis Salvin, Ibis, 1866, 204. 



U[ranomitTa'\ giiatemalensis Heine, Journ. fiir Om., 1863, 195. 



Uranomitra guatemalensis Berlepsch, Proc. U. S. Nat. Mus., xi, 1888, 562 (as to 

 alleged Tres Marias specimen). 



[Uranomiti'a] cyanocephala guatemalensis Simon, Cat. Troch., 1897, 14. 



[Polytmus'] guatemalensis Gray, Hand-list, i, 1869, 133, no. 1714. 



A[mazilia'\ cyanocephala guatemalensis Hartert, Das Tierreich, Troch., 1900, 

 62 (monogr.). 



[Amazilial guatemalensis Sharpe, Hand-list, ii, 1900, 109. 



AMIZILIS MICRORHYNCHA (Elliot). 



SMALL-BILLED AZURE-CROWN. 



Similar to A. cyanocephala guatemalensis, but bill conspicuously 

 smaller, and tail, as well as sides and under tail-coverts, more reddish 

 bronze. 



Adult? ^ — Pileum bright metalHc blue, inclining, in places, to violet- 

 blue and greenish blue; hindneck, upper back, sides of neck, and 

 auricular region metallic bronze-green; wing-coverts, scapulars, and 

 lower back rather dull metalhc greenish bronze; rump and upper tail- 

 coverts olive, faintly glossed with bronze, the feathers narrowly and 

 indistinctly tipped with dull brownish buffy; tail metalhc bronze, 

 tinged witli coppery bronze; remiges dusky, faintly glossed with 

 purphsh; malar region, chin, throat, most of chest, median line of 

 breast, and abdomen, white; sides and flanks broccoh brown or drab 

 glossed with coppery bronze; under tail-coverts pale dull coppery 

 bronze margined with dull white; maxilla dull black, mandible pale 

 brownish (reddish in Ufe?) basally, dusky terminally; iris dark brown; 

 feet brownish (in dried skin); length (skm), 88; wing, 58; tail, 28; 

 culmen, IS-S.** 



« The specimen described shows traces of immaturity. 

 h One specimen (type of the epecies). 



