VOLUME KIGHT NUMBER FOUR 
JOURNAL 
OF 
ENTOMOLOGY 
AND 
ZOOLOGY 
DECEMBER, 1916 
X ftf 
PUBLISHED QUARTERLY BY 
POMONA COLLEGE DEPARTMENT 0/ ZOOLOGY 
CLAREMONT, CALIFORNIA, U. S. A. 
CONTENTS 
Page 
The Growth and Color Patterns in Spiders — Margaret L. Moles 129 
Studies in the Life Histories of Two Carpenter Bees of Cali- 
fornia, WITH Notes on Certain Parasites — H. H. Nininger 158 
Albert John Cook, DSC. — David L. Crawford ----- 169 
The Central Nervous System of Serpent Stars — William A. 
Hilton 171 
