VOLUME SEVEN NUMBER THREE 



JOURNAL 



OF 



ENTOMOLOGY 



AND 



ZOOLOGY 



SEPTEMBER, 1915 



PUBLISHED QUARTERLY BY 

 POMONA COLLEGE DEPARTMENT 0/ ZOOLOGY 



CLAREMONT, CALIFORNIA, U. S. A. 



CONTENTS 



The Biology of the North American Crane Flies (Tipulidw Dip- 



tera) — Charles Paul Alexander 141 



Some Inhabitants of the Round Gall op the Goldenrod — Chi Ping 161 



Aphidid,e of California. XI — E. O. Essig 180 



Pycnogonids Collected During the Summer of 1915, at Laguna 



Beach — William A. Hilton 201 



Additional List of Annelids From Laguna Beach— IT. F. Hamilton 207 



Entered at Claremont. Gal.. Post-Offlce Oct. 1. 1910. as second-class matter, under Act of Congress of 



March 8, 1870 



