OF EASTERN PENNSYLVANIA. I 2 9 



They are .70 of an inch in length by .55 in 

 breadth, 



Dendrceca discolor, Baird. 



The Prairie \Yarbler, a not very abundant 

 species in eastern Pennsylvania, revisits us about 

 the latter part of April or the beginning- of May. 

 Although a denizen of open plains and thinly 

 wooded regions, it is far from being shy and sus- 

 picious, and will permit near approaches without 

 manifesting the least timidity. 



In searching for food, thev may be seer, moving 



O> * * <l> 



Jeisurely along the lowermost branches of trees, 

 examining every leaf and blade of grass for insect- 

 life, uttering at irregular intervals a brief chirr. 

 Exceedingly active creatures, they resemble the 

 Paridct, and in being expert Flycatchers, remind 

 us of the Redstart and the Myiodioctes. 



Coleoptera, diptera, spielers, and caterpillars, 

 contribute mainly to its maintenance. In the pro- 

 curement of food, its habits are both arboreal and 

 terrestrial. Ckrysomela cceruleipennis, Platynus 

 cupripennis, Donacia metallica, Cymindis viridi- 

 pennis, Casnonia peniisylvanica, Hal tic a chalybca, 

 Cratonychus pcriinax, Tabanus lincola, Culex 

 tcsniorhynchus, and larvae of Anisoptcryx vcrnala, 

 Clisiocampa Americana, and many of the early 

 NoctuidS) with Formica sanguined, Apis nicllijica, 

 and various aphides, and others, have been found 



JL 



in the many stomachs which we have examined. 

 Mr, Nuttall speaks of the slender, filing notes 



i 



