1909.] 



THE CAYUGA LAKE BASIN, N. Y. 



377 



Of the eastern birds which find their northern breeding limit 

 in the Transition zone, nineteen out of the twenty-two mentioned 

 by Miller breed in this basin. They are: 



Bob-white, 

 Ruffed grouse, 

 Mourning dove, 

 Yellow-billed cuckoo. 

 Whip-poor-will, 

 Least flycatcher, 

 Baltimore oriole, 

 Towhee, 

 Grasshopper sparrow, 



Indigo bunting. 



Rough- winged swallow. 



Northern loggerhead shrike, 



Yellow warbler, 



Parula warbler, 



Long-billed marsh wren, 



Catbird, 



Brown thrasher. 



Wood thrush, 



Blue bird, 



Colinus virginianus. 

 Bonasa umbelhis nmhellus. 

 Zenaidura macroura carolinensis. 

 Coccyzus mnericanus. 

 Antrostomus vociferus. 

 Empidonax minimus. 

 Icterus galbula. 

 Pipilo erythrophthalmus. 

 Ammodramus savannarum aus- 



tralis. 

 Passerina cyanea. 

 Stelgidopteryx serripennis. 

 Lanius ludovicianus migrans. 

 Dendroica ccstiva. 

 Compsothlypis americana usnece, 

 Telmatodytes palustris. 

 Dumetella carolinensis. 

 Toxostoma rufum. 

 Hylocichla mustelina. 

 Sialia sialis. 



Of the ten eastern birds which find the southern limit of their 

 breeding range in the Transition zone of New York, six breed in 

 this basin : 



Pied-billed grebe. 

 Purple finch, 

 Nashville warbler. 

 Chestnut-sided warbler. 

 Chickadee, 

 Veery, 



Tachybaptus podiceps. 

 Carpodacus purpureus. 

 Vermivora rubricapiUa. 

 Dendroica pcnsylvanica. 

 Pen thestes atricapillus. 

 Hylocichla fnscescens. 



In the higher hills and in the upper parts of the gorges at the 

 south end of the basin there is an unmistakable tinge of the Cana- 



PROC. AMER. PHIL. SOC., XLVIU. I93 Z, PRINTED JANUARY 6,. I9IO. 



