'909.] THE CAYUGA LAKE BASIN, N. Y. 431 



238 (452). Myiarchus crinitus (Linnaeus). Crested flycatcher. 

 Common summer resident. The average date of spring arrival 



is May 4, the earliest, May i, 1900. Nesting begins the last of May 

 and lasts through June. 



239 (456). Sayornis phoebe (Latham). Phoebe. 



Abundant summer resident along the streams and lake shores. 

 The average date of spring arrival is March 20, the earliest, March 

 9, 1899. During the first half of October they depart for the south, 

 latest record being October 19, 1902. Nesting begins April 20 and 

 continues through May and June. The earliest nesting record is 

 April 13, 1901. The latest date for eggs is a nest found June 21, 

 1900. 



240 (459). Nuttallornis borealis (Swainson). Olive-sided fly- 

 catcher. 



Rare. A specimen was taken in Fall creek gorge by L, A. 

 Fuertes May 11, 1905. G. C. Embody took a male at the north end 

 of the lake May 30, 1898. 



241 (461). Myiochanes virens (Linnseus). Wood pewee. 

 Abundant summer resident. The average date of spring arrival 



is May 13, the earliest, May i, 1900. They nest throughout the 

 month of June. 



242 (463). Empidonax flaviventris Baird. Yellow-bellied fly- 

 catcher. 



The definite records are three specimens, two males and one 

 female taken at Ithaca by R. B. Hough on May 29, 1882, and several 

 taken in the vicinity of Waterloo and reported by E. H. Eaton. A 

 few are reported seen each year between May 15 and June 10. 



243 (466a). Empidonax traillii alnorum Brewster. Alder fly- 

 catcher. 



Uncommon transient and rare summer resident. The average 

 date of spring arrival is May 14, the earliest, May 4, 1905. The 

 yellow-bellied and the alder are the last flycatchers to arrive in the 

 spring, the latter loitering along into June. In 1906 it was found 

 until June 9 in the willow and alder thickets along the west side of 

 the Renwick marshes. L. A. Fuertes reports it as breeding at Cay- 



