vi BIRDS OF PENNSYLVANIA. 



Page. 

 Order Passeres Continued. 



Family Hirundinidae The Swallows, 252 



Am pelidie The Wax wings, 257 



Laniidae-The Shrikes 259 



Vireonidte The Vireos, 262 



Mniotiltidte The Wood- Warblers 267 



Motacillidae-The Wagtails 303 



Troglodytidae The Wrens, Thrashers, etc , 304 



Certhiidae The Creepers, 313 



Paridae The Nuthatches and Tits 314 



Sylviidae The Kinglets and Gnatcatchers, 320 



Turdidae The Thrushes, Bluebirds, etc., 324 



APPENDIX. 



Birds of Prey and the " Scalp " act of June 23, 1885 333 



Food of Hawks and Owls, 346 



The Food of Crows, 367 



The English Sparrow, 394 



Some Nocturnal Migrants, 400 



Protection of Birds, 493 



List of Authorities, . ....... 404 



Glossary of Technical Terms. 4H 



Index, 



425 



