STELGIDOPTERTX. 249 



Sub-Family PSALIDOPROCNIN.E. 



Genus STELGIDOPTERYX, Baird. 



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

 slightly glossy, and plain white. 



Stelgidopteryx serripennis (Audab.). 



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



(1850) ; Owm, Ibis, 1861, p. 01. 

 Stelgidopteryx serripennis, Baird, Breiver Sj- Ridgio. N. Amer. Birds, i. 



p. 87 (1899) ; Sliarpe, Kand-l. iii. p. 203 (1901) 



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

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



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



tram Coll.). 



I. Pennsylvania {T. M. Brewer: Crowley Bequest. 



Tristram Coll.). 



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



[P.]. 



4. Guatemala, 20tli May {R. Owen). Salviu-Godman Coll. 



Stelgidopteryx ruficollis (VieiU.). 



Stelgidopteryx ruficollis, Scl. Sr Salv. P. Z. 8. 1866, p. 178 ; Sharpe, Cat. 

 Birds B. M. x. p. 208 (1885) ; id. ^ Wi/att, Man. Ilinindiiwhe, ii. 

 p. 647 (1885-94) ; Scl. ^- Hiuls. Argent! Orn. i. p. 36 (1888) ; Nehrk. 

 Kat. Uiersamml. -p. S7 {1899) ; von Iherinq, Rev. Mas. I'anlista, iv. 

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



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

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



1. Upper Ucayali River, Amazonia Crowley Bequest. 

 {E.Bartlett: Tristram Coll.). 



1. 'Ecuador (T7-istram Coll.). Crowley Bequest. 



Stelgidopteryx uropygialis (Laivr.). 



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

 Godm. Biol. Ce7itr-Amer., Aves, i. p. 238 (1883) ; Sharpe, Cat. Birds 

 B. M. X. p. 209 (1885) ; id. ^- Wyatt, Mon. Hirundinidcc , ii. p. 651 

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



The eggs of the Ashy-rumped Rough-wnnged Swallow in the 

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



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



Colombia {T. K. Salmon^. 



