190 POMONA COLLEGE JOURNAL OF ENTOMOLOGY 



Centrurus californicus Wood 



Tliis is a quite strongly granulate species, often showing two dark stripes 

 on the body. It has been taken at Lake Tule, and in Lake County. 



Ceutrurus exilicauda Wood 



This species is similar to the last, but more slender in all its parts, espe- 

 cially the palpi and tail. It is fairly common in Lower California, and has 

 been taken near San Diego. 



