CYANOMYIA. 289 
C. verticali similis, sed colore ceruleo ; capitis summi plerumque magis violaceo, cervicis lateribus magis viridibus 
et cauda nitide rufescenti-cuprea distinguenda. (Descr. exempl. typ. ex Oaxaca, Mexico. Mus. Brit.) 
Hab. Mexico, Cuernavaca’, Puebla’, Atlixco, Oaxaca! (Boucard?), Putla (Rébouch), 
Sierra Madre del Sur, Chilpancingo, Venta de Zopilote (Mrs. H. H. Smith), Santa 
Efigenia and Tapana (Suimichrast °°). 
M. Boucard discovered this species when collecting in the State of Oaxaca, and his 
specimens, sent to M. Sallé, were described by Gould ! and subsequently figured in his 
Monograph ?. 
It is, according to M. Boucard, found in Oaxaca at all seasons of the year. It builds 
its nest from March to May, and may be seen in the gardens of the town of Oaxaca, 
taking its food from the flowers of Cacti. 
C. violiceps is closely allied to C. verticalis, but may usually be distinguished by 
the deeper violet-blue of the crown. More certain characters are the greener tints of 
the sides of the neck and the colour of the tail. ‘The latter is of a bronzy-reddish hue, 
whereas in C. verticalis it is olive-green. 
B'. Pileus obscurus. 
8. Cyanomyia viridifrons. 
Cyanomyia viridifrons, Elliot, Ann. & Mag. N. H. 1871, viii. p. 267°; Ibis, 1876, p. 314°; de Oca, 
La Nat. iii. p. 804°; Boucard, Ann. Soc. Linn. Lyon, xx. p. 277°; Salv. Cat. Birds Brit. 
Mus. xvi. p. 196”. 
Uranomitra viridifrons, Elliot, Syn. Troch. p. 197°; Sharpe, in Gould’s Mon. Troch., Suppl. t. 49 
(April 1885) 7; Berl. Pr. U.S. Nat. Mus. xi. p. 562°. 
Supra nitenti-aureo-viridis, tectricibus supracaudalibus et cauda cupreo tinctis; capite summo ad trontem 
saturatiore obscure nigricanti-viridi, cervicis lateribus nitenti-viridi lavatis: subtus (tectricibus subcauda- 
libus inclusis) nivea, lateribus infra alas viridibus: rostro carneo, apice nigro. Long. tota 3°7, ale 2:1, 
caude 1:2, rostri a rictu 1:0. (Descr. maris exempl. typ. ex Putla, W. Mexico. Mus. Brit.) 
Hab. Mexico, Putla (Rébouch1+), Oaxaca (Fenochio®), Tehuantepec (W. B. Richard- 
son®; Sumichrast, in U.S. Nat. Mus.), Tonala in Chiapas (W. B. &.). 
This species was discovered by M. Eugene Rébouch near Putla in the Mexican State 
of Oaxaca, and described by Mr. Elliot in 187114. 
One of the original specimens passed into Gould’s collection, and is now before us. 
An immature specimen from Oaxaca sent us by Sefior Fenochio appears to belong to 
the same species, and two others—one from Tehuantepec, the other from Tonala in 
Chiapas—agree very closely with the typical bird. But the specimens from the State 
of Guerrero obtained by Mrs. Herbert Smith, which we have hitherto considered to 
belong to this species, differ in having the forehead and crown dark indigo-blue instead 
of green, and it seems necessary to separate them. 
The southern extension of C. virédifrons has not yet been determined. We trace it 
BIOL. CENTR.-AMER., Aves, Vol. II., Judy 1892. 37 
