STELGinOPTERTX. 249 



Sub-Family PSALIDOPROCNIN.E. 



Genus STELGIDOPTERYX, Baird. 



The eggs of the Swallows of this genus arc of an ovul shajjo, 

 slightly glossy, and plain white, 



Stelgidopteryx serripennis {Auduh.). 



Cotyle serripennis, 'Dreuvr, N. Amer. Ool. pt. i. p. 106, pi. iv. fi". 50 

 (185G) ; Owen, Ibis, 1801, p. 01. 



Stelgidiiptervx serripennis, i?fn>rf, i)/-e!<;«- 15" Ridgiu. N. Amer. Birds, i. 

 p. 350 0874); Salv. ^- Godm. Biol. Centr.-Amer., Aves, i. p. 237 

 (1883); Sharpe, Cat. Birds B. 31. X. p. 206 (1885); id. ^- Wyatt, 

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

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



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

 from '71 to '83 in length, and from '5 to 'bb in breadth, 



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



train Coll.). 



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



Tristram Coll.). 



4. llaleigh, N. Carolina, 2nd June. W. Radclifle Saunders, Esq. 



[P.]. 



4. Guatemala, 20th May {R. Oioen). Salviu-Godman Coll. 



Stelgidopteryx ruficollis {Vieill.). 



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

 Birds B. M. x. p. 208 (1885) ; id. ^ Wyatt, Mon. Hirundinidee, ii. 

 p. 047 (1885-94) ; Sd. ^- Hmls. Arc/ent^ Orn. i. p. 36 (1888) ; Nehrk. 

 Kat. Eiersamml. Y). S7 (1899) ; von Iherinr/, Bev. 31 us. Paulista, iv. 

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



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

 Collection measure respectively : -85 by -57 ; '11 by 'bb. 



1. Upper Ucayali River, Amazonia Crowley Bequest, 

 (E.BuriUtt: Tristram Coll.). 



1. li.cua.dov (I'ristravi Coll.). Crowley Bequest. 



Stelgidopteryx uropygialis (Laiur.). 



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

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

 B. 31. X. p. 209 (1885) ; id. ^- Wyatt, 3Ion. Hh-undinidce, ii. p. 651 

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



The eggs of the Ashy-rumped Rough-winged Swallow in tho 

 Collection measure respectively : 'lb by -bb ; -78 by bb. 



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



Cnloiubin (T. K. Salmo7i). 



