VOLUME FOURTEEN NUMBER ONE 
JOURNAL 
ENTOMOLOGY 
ZOOLOGY 
MARCH, 1922 
PUBLISHED QUARTERLY BY 
POMONA COLLEGE DEPARTMENT of ZOOLOGY 
CLAREMONT, CALIFORNIA, U.S. A. 
CONTENTS 
THE BIOLOGY OF THE NORTH AMERICAN CRANE-FLIES 
Charles P. Alexander - - Umma am) Ly N.! EaMenth ge es 1 
A NEW PLATYDESMOID DIPLOPOD FROM CALIFORNIA, 
Ralph V. Chamberlin A A a Ack rath Se aaa 
HYDROIDS NEAR LAGUNA BEACH, Arthur S. Campbell - - 10 
NERVOUS SYSTEM AND SENSE ORGANS, VIII, W. A. Hilton - 16 
Entered Claremont, Cal., Post-Office Oct. 1, 1910, as second-class matter, under Act of Congress f 
March 8, 1879 
