"Rather abundant both in Oregon and Washington Territory (Suckle y). 



"British Columbia. Common summer resident (J. Fannin). 



" Present along much of the Eastern slope (Henshaw). 



" Nevada. I noticed these birds along the banks of the Humboldt Rive r, north of 

 Battle Mountain, during the last days of May (Hoffman). 



" Next to the Cliff and White-bellied Swallows this was the most abundant species 

 of the family. Arrived at Carson, April 15. 



. " I saw them at Port Mojave on the 22nd of February, but I have seen them at 

 San Diego November 9 and January 27, so that if they do not winter in the State they 

 do not go far beyond it (Cooper, 1870). 



" Whidby Island, W.T., April 2 (Lawrence Wessel). 



" Walla Walla, W.T., May and August (Williams)." 



Mr. G. E~. Cherrie, writing in 1890, states that the Rough-winged Swallow is very 

 common in Costa Rica " during the rainy season, but is seldom seen in the dry season, 

 from early in December until the latter part of April." Again, in. 1892, he speaks of it 

 as " a common resident and breeding abundantly." 



This statement has rather taken us by surprise, as we should have expected that 

 S. uropygialis was more likely to have been the species which nested in Costa Rica. 



Por the geographical distribution of the present species vide infra, Plate 128 [Map]. 



STELGIDOPTERYX RUFICOLLIS [antea, p. 6471. 



Add:— 



Stelgidopteryx ruficollis, Sharpe & Wyatt, Monogr. Hirund. pt. viii. (1888) ; Berl. & 

 Ihering, Zeitschr. ges. Orn. ii. p. 21 (1885). 



Obtained by Dr. Ihering at Linha-paraja, Rio Grande do Sul, on the 6th of June. 

 Por the geographical distribution of this species, vide infra, Plate 129 [Map]. 



STELGIDOPTERYX UROPYGIALIS \anteh, P . 651]. 



Add:— 



Stelgidopteryx uropygialis, Sharpe & Wyatt, Monogr. Hirund. pt. xii. (1889). 



Por the geographical distribution of this species, vide infra. Plate 129 [Map]. 



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