VI 
BIRDS OF PENNSYLVANIA. 
Page. 
Order Passeres— Continued. 
Family Hirundinidse— The Swallows, 252 
Am pelidte— The Waxwing'S, 257 
Laniidae— The Shrikes, 259 
Vireonidae— The Vireos, 262 
Mniotiltidae— The Wood- Warblers 267 
Motacillidge— The Wagtails, 303 
Troglodytidae— The Wrens, Thrashers, etc., 304 
Certhiidas— The Creepers, 313 
Paridag— The Nuthatches and Tits, 314 
Sylviidte— 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, 402 
List of Authoi'ities, 404 
Glossary of Technical Terms ... . . . 411 
Index, 
425 
