':j'>i. 



CASSINIA 



An Annual Devoted to the Ornithology of 

 Pennsylvania, New^ Jersey, and Delav^are 



CONTENTS 1915 



Titian Ramsay Peale {Frontispieci) 



Nesting Birds of Pocono Lake {Two Plates) 



Days with the Blue-gray Gnatcatcher and Prothonotary 



Warbler 

 Egg and Nestling Destruction 

 Mortality Among Birds at Philadelphia, May 2ist-22nd, 



Bird Notes 



Report of the Spring Migration of 1915 

 Abstract of the Proceedings of the Delaware Valley Ornitholog- 

 ical Club for 1915 

 Club Notes : Notes and News 

 Bibliography for 19 15 



List of Officers and Members of the D. V. O. C, 1916 

 Index to Species 





FAGB 



WiTMER Stone 



I 



J. Fletcher Street 



14 



George H. Stuart 3RD. 



24 



Julian K. Potter 



30 



Delos E. Culver 



33 





38 



WiTMER Stone 



39 



J. Fletcher Street 



56 





61 





63 





66 





71 



PUBLICATIONS OF THE D. V. O. C. 



The Birds of Eastern Pennsylvania and New Jersey, by 



Witmer Stone, pp. 176 with two maps and portrait of 

 Alex. Wilson. One Dollar and a half. (Post paid $1.62) 



Abstract of Proceedings, FullSetNos. I-IV. (i89o-i9oo)pp. 98, Fifty cents 

 Cassinia, published annually beginning with 1901 ; comprising 

 papers relating to the Ornithology of Pennsylvania, 

 New Jersey and Delaware , and an abstract of the pro- 

 ceedings of the Club. Edited beginning with No. XV, 

 1911 , by Robert Thomas Moore. Subscription price Fifty cents 



Address Dclawarc Valley Ornithological Club, 

 Care Acadcmy of Natural Sciences, 



Logan Square, Philadelphia. 



Contributed articles, books, and all publications should be sent to Mr. Robert 

 Thomas Moore, Haddonfield, N. J. 



Publication Committee 



George Spencer Morris, Chairmaii, 

 Dr. Samuel C. Palmer, Francis R. Cope, Robert Thomas Moore, 



