278 CALIFORNIA ACADEMY OF SCIENCES. [Proc. jd Ser. 



OXYOPID^. 



260. Peucetia viridans Hentz. — Many specimens from 

 San Jose del Cabo, Oct. and Nov. Some of them are 

 quite reddish. 



261 . Hamataliwa grisea Keys. — One specimen from San 

 Jose del Cabo. 



262. Oxyopes flava, sp. nov. 



Plate XVII, Fig. 28. 



Length 7.5 mm. Cephalothorax, mandibles, legs, palpi, and sternum yel- 

 low; eyes on black spots, a black line from each anterior eye down upon 

 mandibles; base of spines on legs black; some spatulate scales on the ceph- 

 alothorax. Abdomen usually paler yellow, with a gray spear-mark at base, 

 and a black stripe each side near tip, sometimes very short; venter with a 

 broad black median stripe, black spot over epigynum; spinnerets yellow, 

 lined with black. Cephalothorax high, from eyes to dorsal groove barely 

 concave, behind steeply sloping; eyes about as usual, P. M. E. hardly three 

 times their diameter apart. Legs with many spines arranged as in O. salticus. 



A few specimens from Sierra San Lazaro, Sept.; San 

 Jose del Cabo, Sept.; and Tepic, Oct. Related to O. sal- 

 ticus, but readily separated by brighter yellow color, no 

 black stripe on legs, larger size, and different epigynum. 



263. Oxyopes brevis, sp. nov. 



Plate XVII, Fig. 26. 



Length 4.5 mm. Cephalothorax dull yellowish, clothed with white scales, 

 a median narrow white stripe on clypeus and a broader one each side; eyes 

 on black spots; in some specimens there is a darkish spot on each posterior 

 side of cephalothorax; mandibles yellowish, clothed with short white scales; 

 sternum and legs pale yellowish, the latter sometimes with brown bands on 

 the middle of the joints, clothed with some scales, fine hairs, and many stout 

 spines. Abdomen dull yellowish, clothed with scales above and on sides, 

 hairs below, a dark stripe on each lower side and one on middle of venter. 

 Cephalothorax short and high, straight from eye-region to dorsal groove; eyes 

 about as usual; P. M. E. fully three times their diameter apart. Legs short 

 and stout; sternum triangular, but little longer than broad. Abdomen short, 



