7 

 the Canadian Warbler is heard on every hand. High up in the 

 hemlocks the drowsy sounds of the Black-throated Green 

 Warbler arejheard, and the lively chatter of the Blackburnian 

 Warbler catches the ear." 



At persent a great change is going on in many 

 localities. With the cutting of the timber, the Pileated 

 Woodpecker must go, while the Red-headed Woodpecker takes 

 his place in the slashings. Steadily the Carolinian species 

 are encroaching on the country which was formerly typically 

 Canadian in fauna. At the present time the Yellow-breasted 

 Chat has been found in several of the northern counties, and 

 the time may not be far distant when this species as well as 

 the Tufted Titmouse will be found locally in sections where 

 the Winter Wren and Red-breasted Nuthatch once bred. At 

 present there is a peculiar mixture of faunas in many of the 

 counties. In Huntingdon and Center Counties for instance, 

 the author has found the Tufted Titmouse summering in the 

 same ravine with the Canadian Warbler, the Acadian Flycatcher 

 and Magnolia Warbler breeding close together, while in the 

 same swamp the Black- throateed Green and Worm-eating Warbler, 

 Louisiana Water Thrush, and Hooded and Black- throated Blue 

 Warbler were nesting. Concerning the Louisiana Water Thrush 

 there seems to have been a good deal of confusion. Formerly 

 it was supposed to be limited to the Carolinian fauna, and 

 the Northern Water Thrush is recorded in several books as 

 nesting in Bear Meadows, Center County. The author's ob- 



