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 Duenas, 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- 

 convolvuhis [Ipomoea 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 (3000 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. Eichardson 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 Suraichrast, 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. AmazHia cyanura. 



Amazilia cyanura, Gould, Mon. Trocli. v. t. 315 (Sept. 1859) ' ; Salv. Ibis, 1863, p. 239 = ; Cat. 



Birds Brit. Mus. xvi. p. 21.2 " ; Berl. Pr. U. S. Nat. Mus. xi. p. 562 \ 

 Pyrrhophcena cyanura, Salv. Ibis, 1866, p. 195°. 



Supra nitenti-viridis, ad dorsum posticum rafescenti-purpurea, tectricibus supracaudalibus et cauda saturate 

 chalybeis : subtus gramineo-viridis micans, tectricibus subeaudalibus chalybeLs ; alis ad basin castaneis : 

 maxilla nigra, mandibula carnea apice nigra. Long, tota 3-6, alae 2-1, caudae 1-3, rbstri a rictu 0-85. 

 (Descr. maris ex RetaUiuleu, Guatemala. Mus. nostr.) 



Hob. Guatemala, Retalhuleu {0. S.^, W. B. Bichardson% Mazatenango (0. S.^); 

 XiCABAGUA, Realejo (Sir E. Belcher ^ ; Capt. J. M. Bow, in U. S. Wat. Mus.), El 

 Volcan Chinandega, Matagalpa ( W. B. Bichardson), Chontales {Belt 3). 



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 3, and recently Mr. Richardson secured for us a good 

 series 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. CENTK.-AMEE., Aves, Vol. II., Ju7i/ 1892. 38 



