VOLUME THIRTEEN NUMBER FOUR 



JOURNAL 



OF 



ENTOMOLOGY 



AND 



ZOOLOGY 



DECEMBER, 1921 



PUBLISHED QUARTERLY BY 

 POMONA COLLEGE DEPARTMENT 0/ ZOOLOGY 



CLAREMONT, CALIFORNIA, U. S. A. 



CONTENTS 



A List of California Arachnida 



Vn. Araneida, M. Moles, J. JoJmson - - - 39 



CJPHIblROIDEA OF THE WEST COAST OF NORTH AMERICA 



Arthur S. Campbell ........ 4Q 



Nervous System and Sense Organs 



VII. W. A. Hilton 55 



Entered Claremont, Cal.. Ptwt-Offlce Oct I. 1810. as sernnd-clnss matter, undrr Act of Conrress of 



March a. ifiTR 



