424 BULLETIN 179, UNITED STATES NATIONAL MUSEUM 



ewan — Eastend, August 26. North Dakota — Argusville, August 

 31. South Dakota — Forestburg, September 10. Nebraska — Lin- 

 coln, September 27. Kansas — Fort Hays, September 21. Oklahoma — 

 Tulsa, October 12. Texas — Somerset, October 22. Manitoba — 

 Aweme, August 31. Minnesota — Minneapolis, September 28. Wis- 

 consin — Madison, September 20. Iowa — Sabula, September 26. On- 

 tario — Ottawa, September 15. Michigan — Detroit, September 11. 

 Ohio — Oberlin, October 7. Illinois — Chicago, September 16. Mis- 

 souri — Concordia, September 29. Tennessee — Athens, September 29. 

 Quebec — Montreal, September 9. Maine — Pittsfield, September 5. 

 Vermont — Wells River, September 9. Massachusetts — Dennis, Sep- 

 tember 15. New York — Rhinebeck, September 13. District of Colum- 

 bia — Washington, September 21. Georgia — Savannah, October 17. 



Casual records. — On the Arctic coast of Alaska a flock of seven was 

 seen at Wainwright on August 10, 1922, and a specimen in immature 

 plumage was collected at Point Barrow on August 26, 1929. One was 

 found dead in a rain-water barrel on St. George Island, Alaska, on 

 June 20, 1923. A pair was reported as seen on June 12, 1820, at 

 Liddon Gulf on the north side of Melville Island, Northwest 

 Territories. 



Egg dates. — Alaska : 7 records, June 10 to July 3. 



California : 48 records, April 29 to June 12 ; 24 records, May 13 to 

 June 3, indicating the height of the season. 



Illinois : 14 records. May 18 to June 22 ; 8 records. May 24 to June 9. 



Massachusetts: 21 records. May 21 to July 3; 11 records. May 27 to 

 June 15. 



STELGIDOPTERYX RUFICOLLIS SERRIPENNIS Audubon 



ROUGH-WINGED SWALLOW 



Plates 61, 62 



HABITS 



Contributed by Edward von Siebold Dingle 



The rough-winged swallow was discovered by John James Audubon 

 in Louisiana, but the description of the bird in his "Ornithological 

 Biography" is based rather on specimens collected many years later 

 at Charleston, S. C, which city is, therefore, the type locality. Audu- 

 bon's (1838) description of his first meeting with this swallow is as 

 follows : 



On the afternoon of the 20th of October 1819, I was walking along the shores 

 of a foi^est-margined lake, a few miles from Bayou Sara, in pursuit of some 

 Ibises, when I observed a flock of small Swallows bearing so great a resemblance 

 to our common Sand Martin, that I at first paid little attention to them. The 

 Ibises proving too wild to be approached, I relinquished the pursuit, and being 



