SIELGIDOPTEETX. 249 



Sub-Family PSALIDOPROCNIN.E. 



Genua STELGIDOPTERYX, Baird. 



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

 slightly glossy, and plain white. 



Stelgidopteryx serripennis {Auduh.). 



Cotyle serripennis, Brewer, N. Amer. Ool. pt. i. p. 106, pi. iv. fig. 60 

 (1856); Owere, iJis, 1861, p. 61. 



Stelgidopteryx serripennis, Baird, Brewer 8f Ridgw. N. Amer. Birds, i. 

 p. 350 (1874) ; Salv. ^ Godm. Biol. Centr.-Amer., Aves, i. p. 237 

 (1883) ; Sharps, Cat. Birds B. M. x. p. 206 (1885) ; id. 8f Wyatt, 

 Man. IlirundinidcB, ii. p. 635 (1885-94); Nehrk. Kat. Eiersamml. 

 p. 87 (1899) ; Sharpe, Sand-l. iii. p. 203 (1901). 



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

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



2. North America {Audvhon : Tris- Crowley Bequest. 



tram Coll.). 

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



Tristram Coll.). 

 4. Ealeigh, N. Carolina, 2nd June. W. Radclifle Sauuders, Esq. 



[P-]- 

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



Stelgidopteryx ruficollis (Vieill.). 



Stelgidopteryx ruficollis, Scl. ^ Salv. P. Z. S. 1866, p. 178 ; Sharps, Cat. 

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

 p. 647 (1885-94) ; Scl. S; Huds. Argent. Orn. i. p. 36 (1888) ; N'ehrk. 

 Kat. Eiersamml. p. 87 (1899) ; von Ihering, Rev. Mus. PauUsta, iv. 

 p. 207 (1900) ; Sharps, JSand-l. iii. p. 203 (1901). 



The eggs of the Eed-throated Eough-winged Swallow in the 

 Collection measure respectively : "85 by -57 ; "77 by -65. 



1. Upper Ucayali Biver, Amazonia Crowley Bequest. 

 {£. Bartlett : Tristram Cull.). 



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



Stelgidopteryx uropygialis {Lawr.). 



Stelgidopteryx uropygialis, Scl. ^ Salv. P. Z. S. 1879, p. 496 ; Salv. ^ 

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

 B. M. X. p. 209 (1885) ; id. ^ Wyatt, Mon. Sirundinid<s, ii. p. 651 

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



The eggs of the Ashy-rumped Eough-winged Swallow in the 

 Collection measure respectively : -75 by -56 ; -78 by -55. 



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



Colombia (T. K. Salmon). 



