

CASSINIA 



An Annual Devoted to the Ornithology of 

 Pennsylvania, New Jersey, and Delaware 



CONTENTS 1920-1921 



PAGE 



Stewardson Brown (^Frontispiece portraii) , Witmer Stone i 

 Summer Birds of Adams and Franklin Counties, Pennsylvania J. Fletcher Street 8 

 Report on the Spring Migration of 1920 20 

 Report on the Spring Migration of 1921 ^ 35 

 Abstract of the Proceedings of the Delaware Valley Ornitho- 

 logical Club for 1920 50 

 Abstract of the Proceedings of the Delaware Valley Ornitho- 

 logical Club for 1 921 55 

 Club Notes 60 

 Bibliography, 1920-1921 61 

 Officers and Members of the D. V. O. C, 1922-1923 65 



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, j!5i.62) 



Abstract of Proceedings, Full Set Nos. I-IV. (i 890-1 900) 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. XX, 

 191 6, by Spencer Trotter. Subscription price Fifty cents 



Back numbers of most issues still obtainable at subscription prices. 



Address Dclawarc Valley Ornithological Club, 

 Care Acadcmy of Natural Sciences, 



Logan Square, Philadelphia. 



Contributed articles, books, and all publications should be sent to Dr. Spencer 

 Trotter, Swarthmore College, Swarthmore, Pa. 



Publication Committee 



George Spencer Morris *, Ckairman, 

 Samuel C, Palmer, Witmer Stone, Spencer Trotter. 



* deceased. 



