292 FRINGILLID i. 
a slight gloss. They are white, very sparingly speckled with black, 
chiefly at the broad end. Two examples measure respectively : 
-93 by °62; and °95 by °62. 
2. Nanegal, Ecuador (L. Fraser). Salvin-Godman Coll. 
Arremon aurantiirostris, Lafr. 
Arremon aurantiirostris, Salv. § Godm. Biol. Centr.-Amer., Aves, i. p. 324 
(1888) ; Sel. Cat. Birds B. M. xi. p. 275 (1886); Richmond, Pr. 
U.S. Nat. Mus. xvi. p. 490 (1893) ; Ridgw. Birds North § Middle 
Amer. i. p. 455 (1901) ; Sharpe, Hand-l. y. p. 854 (1909). 
An egg believed to be that of the Orange-billed Arremon is of 
a rather broad oval shape; the ground-colour is greenish-white, 
marked all over the shell, especially towards the broader end, with 
small spots and dots of rust-colour and purplish-red. It measures 
"95 by °68. 
1. {Costa Rica.] Crowley Bequest. 
Genus LYSURUS, Lidqw. 
Lysurus castaneiceps (Sclater’). 
(Plate XIII. fig. 7.) 
Zuarremon castaneiceps, Sel. § Salv. P. ZS. 1879, p. 505; Sel. Cat. 
Birds B. M. xi. p. 261 (1886). 
Lysurus castaneiceps, Sharpe, Hand-l. vy. p. 885 (1909). 
The eggs of the Chestnut-capped Sparrow are of a blunt oval 
shape and slightly glossy. They are white, thickly sprinkled with 
specks and small blotches of chestnut and pale lavender, especially 
at the broad end, where the markings form an ill-defined cap. Two 
examples measure respectively : 1:03 by °72, and -96 by °72. 
2. Frontino, Antioquia, U.S. Co- Salvin-Godman Coll. 
lombia (7. K. Salmon). 
Genus ATLAPETES, Wagler. 
Atlapetes pileatus, Wagler. 
Atlapetes pileatus, Salv. & Godm. Biol. Centr.-Amer., Aves, i. p. 405 
(1886) ; Sharpe, Cat. Birds B. M. xii. p. 740 (1888) ; td. Hand-l. v. 
p. 835 (1909), 
Atlapetes pileatus pileatus, Ridgw. Birds North § Middle Amer. i. 
p. 460 (1901). 
An egg believed to be that of the Rufous-capped Sparrow is of a 
