540 Pomona College Journal of Entomology 



pedipalpi quite heavy, femur as long as the ct-phalothorax, fingers about as long 

 as the hand, but little curved. Length 3 mm. 



From Mariposa, Marin County, San Francisco and Claremont. 



BLOTHRUS 



1. Fingers .scarcely if any longer than the hand, curved and heavy. magnu* 



Fingers much longer than hand, very slender and nearly straight. 



californicui 



Blothrus magnus Ewing 



Hard parts reddish brown; cephalothorax a little longer than broad. Pedipalpi 

 rather large and heavy, but femur longer than the cephalothorax; tibia long 

 pedicellate; hand not twice as long as broad; fingers heavy, curved, shorter than 

 hand. Length 4 mm. 



From Shasta Springs. 



Blothrus californicus Banks 



More yellowish; cephalothorax plainly longer than broad, anterior margin 

 obtusely angled. Pedipalpi very slender; femur much longer than cephalothorax; 

 tibia nearly as long as femur, long pedicellate ; hand slender ; fingers much longer 

 than hand, slender, curved only near tip. Length 2.2 mm. 



From Southern California. 



CHTHONIUS 



(Figure 210, F) 

 An undetermined species of this genus has been recorded from Soutiiern 

 California. 



