Genera of Hiinnning Birds. 223 



I collected two male specimens at Naranjo, Costa Rica, in 

 April, 1877. 



317. Oreopyra calolaema, Salv., P.Z.S., 1864, p. 584. 

 Metallura castaneiventris, Reich., Aufz. der Colib, 1853, 



P-8. 



Anfliocephala castaneiventris, Gould. Mon. Troch., vol. iii., 

 p. 203. 



Purple-tJiroated Humming-bird, Gould, Mon. Troch., 

 Suppl., 1886, p. g. 



I'Oreopyre a queue d'un bleu d'acier, Muls., Hist. Nat., 

 Ois. Mou., 1878, t. iv., p. 165. 



Habitat. — Veragua. 



Male. — Top of head brilliant metallic silvery-green. Upper- 

 side dark shining bronzy-green. Uppertail-coverts dark 

 shining green. Tail bluish-black. Throat metallic violet-red. 

 White line behind the eye. Auriculars very dark green, 

 appearing almost black. Breast shining green, passing to 

 golden-green on flanks. Abdomen brown. Undertail-coverts 

 dark green, margined with grayish-white. Wings purplish- 

 brown. Bill black. 



Total length, ^\\r\. Wing. 2\. Tail, ItV. Culmen, |-. 



Female. — Upperside shining grass-green. Median rectrices 

 bronze-green. Laterals bronze-green at base, passing to bluish- 

 black, the two outermost ones tipped with grayish-white. 

 Underside reddish-buff. Undertail-coverts brownish-green, 

 margined with gray or buff. Wrings purplish-brown. Bill black. 



Total length, 3fin. Wing, 2^. Tail, i\. Culmen, f. 



This fine species was discovered by Arce, in Veragua, and 

 it is to this species, and to the next, that I attribute all the 

 reddish-buff females. 



318. Oreopyra pectoralis, Salv., Ann. Mag., Nat. Hist., 



1891, P- 377- 

 Oreopyra calolaema, Boucard, P.Z.S., 1878, p. 6g. 



Lilac throated Humming-Bird. 



r Oreopyre a gorge lilas. 



Habitat. — Costa Rica. 



Male. — Similar to that of O. calolaema, in all respects. 



