I909-] THE CAYUGA LAKE BASIN, N. Y. 443 



is May 3, the earliest, April 30, 1905 and 1906. Nesting begins 

 May 20 and lasts until June 15. This species is seldom seen after 

 the first week in September. L. A. Fuertes shot a specimen Septem- 

 ber 26, 1889. 



303 (629). Lanivireo solitarius (Wilson). Blue-headed vireo. 

 Common transient and a rare summer resident. The average 



date of arrival is May 4, the earliest, April 25, 1906. It is not com- 

 mon after May 15 but a few have been seen between this date and 

 May 28. In 1893 L. A. Fuertes found a pair breeding in the Casca- 

 dilla Woods near Ithaca. In the fall it is found throughout Septem- 

 ber, The latest fall date is October 6, 1907. 



75. Family AIniotiltid^. The Wood Warblers. 



304 (635). Mniotilta varia (Linnaeus). Black and white warbler. 

 Common transient and occasionally found breeding. The aver- 

 age date of spring arrival is April 30, the earliest, April 26, 1905. 

 The bulk of migrants have passed by May 18. On June 13, 1902, 

 T. L. Hankinson found a nest containing five young at North Spen- 

 cer, about a mile outside the lake basin on the south. June 19, 1908 

 A. A. Allen found young just taking wing near the source of Casca- 

 dilla Creek. L. A. Fuertes reports it as breeding on Snyder Hill. 

 Migrants are common in the fall from July 13 to September i. 



304a (639). Helmitheros vermivorus (Gmelin). Worm-eating 



warbler. 



The only record of this species in the basin is an adult male taken 

 by A. A. Allen, May 6, 1909, at Ithaca. 



305 (642). Vermivora chrysoptera (Linnaeus). Golden-winged 

 warbler. 



Mr. F. S. Wright, of Auburn, has taken specimens at the north 

 end of the basin as follows: June 6, 1883, an adult male on How- 

 land Island; May 13, 1898, an adult male at Sennett, N. Y. ; May, 

 25, 1901, an adult male on Flowland Island; May 5, 1902, an adult 

 male on Howland Island. Two other specimens have been taken in 

 that vicinity but we do not have the data. 



