Pomona College Journal of Entomology 



419 



Protolophus. 



Two species are known from California; the F. tuberculatus very much more 

 common than the other. 



1. Abdominal tubercles unarmed tuberculatus. 



Abdominal tubercles with a few apical spines singularis. 



Protolophus tuberculatus Bks. 

 Gray to brownish, more or less mottled with brown ; abdomen often red- 

 brown, with a broad median dark stripe or vase-mark ; coxae brownish, tro- 

 chanters yellowish, rest of legs reddish or \ellowish brown. Specimens come 

 from Marin County, Santa Clara County, Los Angeles, Claremont, Haywards, 

 Santa Catalina Island, and Santa Rosa Island. (Fig. 151.) 



Figure 151. Protolophus tuberculatus. 



Protolophus singularis Bks. 

 Abdominal tubercles have from two to four spines ; the anterior margin 

 of cephalothorax is more spinose, and the palpi are more enlarged in the 

 male, the second pair of legs more slender. From near San Diego. 



Eurybunus 



The legs are short, the femora and tibia of legs I and III thickened. Two 

 species are described from California. 



1. Body smooth; leg IV nearly as long as II brunneiis. 



Body with transverse rows of spinules ; leg IV much shorter than II 

 spinosus. 



Eurybunus brunneus Bks. 



Dorsum brown, margin of abdomen narrowly white, coxae, trochanters, and 

 part of femora yellowish, a band near tip, femora brown, the extreme 

 tip whitish ; base of patella brown, tip white ; middle of tibia brown, base 

 and tip white ; same with the metatarsus ; tarsi brownish ; palpi and mandibles 

 yellowish. Southern California. 



Eurybunus spinosus Bks. 

 Grayish brown above, a black mark on each side of base of abdomen : 

 femora I and III brown, with a pale ring on middle; tibiae I and III brown, 

 mottled with pale; femora and tibis II and IV whitish, with irregular brown 



