480 BULLETIN 50. UNITED STATES NATIONAL MUSEUM. 



T[rochiliis] violaceus Vieillot, Tabl. Enc. M6th., ii, 1822, 552. 



Tlopaza] violacea Gray, Gen. Birds, i, Dec, 1848, 110. 



Trochilus (Culampis) violaceus Lesson, Index Gen. et Synop. Troch., 1832, 



p. vii. 

 {?)[Trochilus] venustissimus Gmelin, Syst. Nat., i, i788, 490 (phased on Polytinus 



mexicanus cyanetis Briss. Av. 3, p. 681, n. 9; Avicula mexicana cyaneo colore 



venutissima Seb. Mus. I, p. 102, t. 65, f. 3; etc.). 

 {'^)[Troc}iilus] cyanomelas Gmelin, Syst. Nat., i, 1788, 498 (based on Black and 



blue Humining-bird Bancr. Guj. p. 167; Latham, Syn. i, 2, p. 782, n. 50). 

 [Trochilus] granatinus Latham, Index Om., i, 1790, 305 (based on Trochilus 



auratus Gmelin; Garnet-throated Humming-bird Latham, Synop., ii, 752, 9, 



pL 34). 

 Trochilus granatinus Vieillot, Nouv. Diet. d'Hist. Nat., vii, 1817, 350 (cites 



Trochilus auratus Gmelin, and Ois. Dores, "pi. 4, de I'Hist. Colibris d'Au- 



debert"). 

 {?)[ Trochilus] cyaneus Latham, Index Orn., i, 1790, 309 (based on Trochilus 



venustissimus Gmelin; Polytmus mexicanus cyaneus Brisson, Orn., iii, 681, 3; 



Le Colibri bleu Buffon, Ois., vi, 61; etc.). 

 {T)[Trochilus] bancrofti Latham, Index Orn., i, 1790, 317 (based on Trochilus 



cyanomelas Gmelin; Black and blue Humming-bird Bancroft, Guiana, p. 167; 



Latham, Synop., ii, 782). 

 Trochilus bancrofti Vieillot, Nouv. Diet. d'Hist. Nat., vii, 1817, 359. 

 Certhia prasinoptera Sparrman, Mus. Carls., fasc. 4, no. Ixxxi, 1789, pi. 81 (based 



on Souimanga prasinoptere Vieillot, Ois. Dor., ii, 1802, 65). 

 Eulampis jugularis eximius Berlepsch, Ibis, July, 1887, 294 (Nevis, Lesser 



Antilles; coll. Count von Berlepsch). 

 [Eulampis jugularis] eximius Hartert, Novit. Zool., v, 1898, 520 (crit.). 



Genus COLIBRI Spix. 



Colibri Spix, Av. Bras., i, 1824, 80. (Type, C. crispus Spix= Trochilus scrrirostris 



Vieillot.) 

 Petasophora Gray, List Gen. Birds, 1840, 13. (Type, Trochilus scrrirostris 



Vieillot.) 

 Petasophorus (emendation) Mulsant and Verreaux, Classif. Troch., 1866. 

 [Petasophora] ^. Telesiella Reichenbach, Aufz. der Colib., 1854, 13. (Type, 



Ornismya delphinse Lesson.) 

 [Petasophora] y. Praxilla Reichenbach, Aufz. der Colib., 1854, 13. (Type, 



Ornismya anais Lesson, i. e., Petasophora iolota Gould.) 

 Telesilla (emendation) Cabanis and He'ine, Mus. Ilein., iii, 1860, 27. 

 Delphinella "Reich[enbaeh]" Bonaparte, Ann. Sei. Nat. (Zool.), s6r. 4, i, 1854, 



137 (new name for Telesiella Reichenbach). 



Medium-sized to large Trochilidse (length about 100-125 mm.) with 

 a post-auricular tuft of violet, violet-blue, or violet-red broad and 

 rounded, imbricated feathers, and the broad, rather long, tail metallic 

 blue, green, or ohve crossed by a subterminal band of dark metalUc 

 blue, green, black, or bronze-dusky. 



Bill shorter than head to decidedly longer, straight or sHghtly 

 decurved, nearly terete but slightly depressed basally; culmen 

 rounded, but contracted at base into a narrow ridge; tomia some- 

 times smooth, sometimes with minute serrations near tip of maxil- 

 lary tomium; mandible with a distinct longitudinal median groove 



