AMAZILIA. 297 
Bourcier’s description of this bird was based upon a specimen from Guatemala, 
where the species is abundant from the sea-level at Yzabal to an altitude of 5000 feet 
on the slopes of the Volcan de Fuego. On the plains of Duefias, which stretch from 
the village to the foot of the volcano, A. devillii used to be a very common bird, 
especially in the months of July, August, and September, at the time the tree- 
convolvulus (Lpomea murucoides) was in flower. During foggy afternoons at this 
rainy season, when clouds drifted with the southerly wind between the volcanoes of 
Agua and Fuego, these and other Humming-Birds were to be seen in greatest number 
feeding from the flowers and fighting with one another. In October it was met with 
at a lower elevation (5009 feet) on the Volcan de Fuego, but its migratory movements 
are doubtless influenced by the plants in flower at different places at different times. 
Until lately we were not aware of A. devillii being found beyond the limits of 
Guatemala, but Mr. Richardson has sent us a good series of specimens from Salvador 
shot in February, March, and April at La Libertad on the Pacific coast and on the 
Volcan de San Miguel. 
Mr. Lawrence and Sumichrast, confirmed by Mr. Ridgway, include this species in 
the birds of the Gineta Mountains of Chiapas. Mr. Richardson’s specimens from 
Chimalapa certainly belong to the Mexican form A. beryllina, and have the extended 
chestnut bases to the primaries and secondaries of that bird. It would thus appear 
that these two species occur in very close proximity. 
5. Amazilia cyanura. 
Amazilia cyanura, Gould, Mon. Troch. v. t. 815 (Sept. 1859)*; Salv. Ibis, 1863, p. 2397; Cat. 
Birds Brit. Mus. xvi. p. 212°; Berl. Pr. U. S. Nat. Mus. xi. p. 562%. 
Pyrrhophena cyanura, Salv. Ibis, 1866, p. 195°. 
Supra nitenti-viridis, ad dorsum posticum rufescenti-purpurea, tectricibus supracaudalibus et cauda saturate 
chalybeis : subtus gramineo-viridis micans, tectricibus subcaudalibus chalybeis; alis ad basin castaneis : 
maxilla nigra, mandibula carnea apice nigra. Long. tota 3°6, ala 2-1, caude 1-3, rostri a rictu 0°85. 
(Descr. maris ex Retalhuleu, Guatemala. Mus, nostr.) 
Hab. GuatTemaLa, Retalhuleu (0. 8.5, W. B. Richardson*), Mazatenango (0. S. 3); 
Nicaracua, Realejo (Sir E. Belcher!; Capt. J. M. Dow, in U. S. Nat. Mus.), El 
Volcan Chinandega, Matagalpa (W. B. Richardson), Chontales (Belt *). 
The original specimens of this species were obtained at Realejo, Nicaragua, by 
Sir Edward Belcher, and presented by him to the Zoological Society, whence they 
passed into Gould’s hands and finally to the British Museum. 
Belt also found it in Nicaragua ®, and recently Mr. Richardson secured for us a good 
serles of examples on the volcano near Chinandega, including a female which resembles 
the male in the characteristic colouring of the tail, but has less bright tints on the 
body ; the under tail-coverts, too, are dusky, with paler edges. 
The range of A. cyanura extends to the Pacific coast-region of Guatemala, where 
BIOL. CENTR.-AMER., Aves, Vol. IT., Ju/y 1892. 38 
