AITHTJRUS. OREOTBOCHILUS. OREOPYRA. 89 



Two eggs of the White-throated Humming-bird measure re- 

 spectively : -62 by -36 ; -63 by -38. 



2. Iguape, Brazil, 3rd Oct. Crowley Bequest. 



Genus AITHURUS, Cab. $ Heine. 

 Aithurus polytmus (Linn.). 



Trochilus polytmus, Gosse, Birds Jamaica, p. 97 (1847) : Gould. Mon. 



Troch. ii. pi. 98 (1857). - 

 Aithurus polytmus, Salv. Cat. Birds B. M. xvi. p. 64 (1892) ; Nehrk. 



Kat. Eiersamml p. 152 (1899) ; Sharpe, Hand-l. ii. p. 120 (1900). 



The eggs of the Black- capped Humming-bird in the Collection 

 measure respectively : -51 by '36 ; *54 by '32. 



1. [Jamaica.] Crowley Bequest. 



1. St. Thomas, Jamaica, 2nd July Crowley Bequest. 

 (C. B. Taylor). 



Genus OREOTROCHILUS, Gould. 

 Oreotrochilus leucopleurus, Gould. 



Oreotrochilus leucopleurus, Gould, Mon. Troch. ii. pi. 71 (1849) ; Scl. 

 Iluds. Argent. Orn. b ii. p. 1 (1889) ; Salv. Cat. Birds B. M. xvi. 

 p. 336 (1892) ; Sharpe, Hand-l ii. p. 121 (1900). 



An egg of the White-sided Hill-Star measures -66 by -39. 



1. Puenta del Inca, Andes of Chile E. A. Fitzgerald, Esq. [P.]. 



(P. H. Gosse, Junior}. 



Genus OREOPYRA, Gould. 

 Oreopyra leucaspis, Gould. 



Oreopyra leucaspis, Gould, Mon. Troch. iv. pi. 264 (1861); Salv. Cat. 

 Birds B. M. xvi. p. 306 (1892) ; id. # Godm. Biol. Centr.-Amer., 

 Aves, ii. p. 332 (1892) ; Nehrk. Kat. Eiersamml. p. 153 (1899) : 

 Sharpe, Hand-l. ii. p. 123 (1900). 



The eggs of the White-throated Oreopyra in the Collection, 

 measure respectively : '57 by -38 ; -53 by '35. 



2. Chiriqui, Panama (Nehrkorn Coll.). Crowley Bequest. 



Oreopyra calolaema, Sdlvin. 



Oreopyra calolaema, Sharpe in Gould's Mon. Troch., Suppl. pi. 6 (1885) ; 

 Salv. Cat. Birds B. M. xvi. p. 307 (1892) ; id. fy Godm. Biol. Centr.- 

 Amer., Aves, ii. p. 333 (1892) j Sharpe, Hand-l ii. p. 123 (1900). 



Two eggs of the Purple-throated Oreopyra measure respectively : 

 58 by -4; -6 by -4. 



2. Azahar de Cartage, Costa Rica, Crowley Bequest. 

 28th Dec. (C. F. Underwood}. 



