STELGIDOPTERYX. 249 



Sub-Family PSALIDOPROCNIN.E. 



Genus STELGIDOPTERYX, Baird. 



The eggs of the Swallows of this genus are of an oval shape, 

 slightly glossy, and plain white. 



Stelgidopteryx serripeimis (Audub.). 



Cotyle serripeimis, Brewer, N. Amer. Ool. pt. i. p. 106, pi. iv. fig. 50 

 (1856) ; Oioen, Ibis, 1861, p. 61. 



Stelgidopteryx serripeimis, Baird, Brewer Sf Ridgiu. N. Amer. Birds, i. 

 p. 350 (1874) j Sain. 8f Godm. Biol. Centr.-Amer., Aves, i. p. 237 

 (1883); Sharpe, Cat. Birds B. M. x. p. 206 (1885); id. # Wyatt, 

 Mon. Hirundinidce, ii. p. 635 (1885-94); Nehrk. Kat. Eiersamml. 

 p. 87 (1899) j Sharpe, Hand-l. iii. p. 203 (1901). 



The eggs of the North-American Bough-winged Swallow measure 

 from -71 to -83 in length, and from -5 to -55 in breadth. 



2. North America (Audubon: Tris- Crowley Bequest. 



tram Coll.). 



1. Pennsylvania (T. M. Brewer: Crowley Bequest. 



Tristram Coll.). 



4. Raleigh, N. Carolina, 2nd June. W. Radcliffe Saunders, Esq. 



[P.]. 



4. Guatemala, 20th May (R. Owen). Salvin-Godman Coll. 



Stelgidopteryx ruficollis (Vieill.). 



Stelgidopteryx ruficollis, Scl Sf Salv. P. Z. S. 1866, p. 178; Sharpe, Cat. 

 Birds B. M. x. p. 208 (1885) ; id. 8f Wyatt, Mon. Hirundinidce, ii. 

 p. 647 (1885-94) ; Scl. # Huds. Argent. Orn. i. p. 36 (1888) ; Nehrk. 

 Kat. Eiersamml. p. 87 (1899) ; von Ihering, Rev. Mm. Paulista, iv. 

 p. 207 (1900) ; Sharpe t Hand-l. iii. p. 203 (1901). 



The eggs of the Red-throated Rough-winged Swallow in the 

 Collection measure respectively : -85 by -57 ; '77 by '55. 



1. Upper Ucayali River, Amazonia Crowley Bequest. 

 (E.Bartlett: Tristram Coll.). 



1. Ecuador (Tristram Coll.). Crowley Bequest. 



Stelgidopteryx uropygialis (Lawr.). 



Stelgidopteryx uropygialis, Sd. $ Salv. P. Z. S. 1879, p. 496 ; Salv. Sf 

 Godm. Biol. Centr-Amer., Aves, i. p. 238 (1883) ; Sharpe, Cat. Birds 

 B. M. x. p. 209 (1885) ; id. $ Wyatt, Mon. Hirundinidce, ii. p. 651 

 (1885-94) ; Sharpe, Hand-l. iii. p. 203 (1901). 



The eggs of the Ashy-ramped Rough-winged Swallow in the 

 Collection measure respectively : *75 by '55 ; -78 by -55. 



2. Santa Elena, Antioquia, U.S. Salvin-Godinan Coll. 



Colombia (T. K. Salmon). 



