278 TROCHILIDA. 
The great diversity between the sexes of this bird led to their being described as 
distinct species by the old authors. All of these titles are now collected under 
Lampornis violicauda, though the application of this name is questioned. For a long 
time Linneus’s 7rochilus mango was considered its proper appellation, but Mr. Elliot 
showed that this name belonged to the very distinct Jamaican Lampornis, and we have 
followed him in this opinion. 
Lampornis violicauda is not uncommon on the line of the Panama Railway both at 
Lion Hill and Paraiso Stations. We have received examples from both places; and 
M‘Leannan, who collected principally at Lion Hill, also sent specimens to Mr. Lawrence. 
2. Lampornis prevosti. 
Trochilus prevosti, Less. Hist. Nat. Col. p. 87, t. 24’. 
Lampornis prevosti, Gould, Mon. Troch. ii. t. 75 (May 1858)*; Scl. P. Z. S. 1857, p. 287°; 1859, 
pp. 367 *, 385°; Scl. & Salv. Ibis, 1859, p. 127°; 1870, p. 8877; Salv. Ibis, 1860, p. 272°; 
1864, p. 380°; 1889, p. 8657°; Cat. Strickl. Coll. p. 8362"; Cat. Birds Brit. Mus. xvi. 
p. 98"; Lawr. Bull. U. 8S. Nat. Mus. no. 4. p. 832"; Sumichrast, La Nat. v. p. 250”; 
Boucard, Ann. Soc. Linn. Lyon, xx. p. 275; P. Z. S. 1883, p. 451"; Stone, Pr. Ac. Phil. 
1890, p. 207°" 
Lampornis thalassinus, Ridgw. Pr. Biol. Soc. Wash. iii, p. 23”. 
Lampornis prevosti thalassinus, Ridgw. Pr. U. S. Nat. Mus. viii. p. 573”. 
Lampornis mango, de Oca, La Nat. iii. p. 62°°; Sanchez, An. Mus. Nac. Mex. i. p. 96”. 
Supra nitenti-aureo-viridis: subtus abdomine medio viridi-cyaneo tincto, hypochondriis aureis, gutture medio 
nigro lateribus suis micanti-viridibus, subcaudalibus purpureo-nigris; caude rectricibus mediis saturate 
viridibus, lateralibus rufo-purpureis, chalybeo-cyaneo marginatis: rostro nigro. Long. tota 4:5, ale 2-6, 
caude 1°45, rostri a rictu 1-2. 
@ subtus alba, fascia mediana nigra a mento ad crissum apud pectus plumis viridibus intermixta, cervicis 
lateribus et hypochondriis aureo-viridibus, subcaudalibus viridi-fuscis albo terminatis; caude rectricibus 
lateralibus apicibus albis, fascia lata subterminali chalybeo-cyanea. (Descr. maris et femine ex Santa 
Ana, Peten. Mus. nostr.) 
Hab. Mexico (Sallé*), Altamira, Tampico and Tantina in Tamaulipas (W. B. Richard- 
son 1”), Misantla (de Oca, F. D. G.), Jalapa (de Oca), Choapam (Boucard*), Cordova 
(Boucard*, Sumichrast 4), Uvero (Sumichrast!*), Northern Yucatan (G@. F. 
Gaumer'®), Meco I., Mugeres I. (G. F. G.1°), Cozumel I. (Benedict, G. F. G.), 
road from Ticul to Uxmal, Labna (Stone), Santa Efigenia (Sumichrast 13); Bririsu 
Honpuras, Belize (Llancaneauaz 1); Guaremaua (Skinner °), Santa Ana near Peten, 
Escuintla, Hacienda de la Concepcion (0. S.”); Honpuras, Bonacca I. (G. F. 
Gaumer'), San Pedro (G. M. Whitely’); Costa Rica, Bebedero de Nicoya 
(Arcé 12),— Venezveta?®, 
Lesson’s figure of this bird was taken from a female or young male specimen of a 
Lampornis from an unknown locality. In his ‘Index Général des genre Trochilus,’ 
p- xli, he gave its locality with doubt as Surinam. Bonaparte, who included this bird 
in his ‘Conspectus Avium,’ assigned it to the island of Tobago, and Gould was the 
