ZooL.— Vol. III.] BANKS— ARACHNID A FROM CALIFORNIA. 365 



SCORPIONIDA. 



Uroctonus phaiodactylus Wood. Journ. Acad. Nat. Sci. 

 Phil. 1863, p. 372. 



Specimens from Claremont, October (Baker); Cuya- 

 maja Mountains, San Diego County (Fuchs); Santa 

 Cruz Mountains (Badger). 



Uroctonus mordax Thorell, Ann. Mag. Nat. Hist. (4), 



XVII, 1876, p. II. 



Specimens from Lakeside (Baker); Sausalito, Marin 

 County; Alameda County; Fresno County; Santa Rosa 

 Island; San Francisco and Sonoma (Troyer). 



Hadrurus hirsutus Wood. Journ. Acad. Nat. Sci. Phil. 

 V, 1863, p. 367. 



From Indio, Salton, San Bernardino County, and 

 Tulare. 



Vejovis punctipalpi Wood. Journ. Acad. Nat. Sci. Phil. 

 V, 1863, p. 369. 



Several from San Bernardino County. 



ACARINA. 



RHYNCHOLOPHID^. 



Rhyncholophus gracilipes n. sp. 



Plate XLI, Fig. 56. 



Length 3 mm. Body oblong, almost twice as long as broad, slightly con- 

 stricted at hind and middle legs, broadly rounded behind; clothed above 

 with many short, almost clavate hairs, below these are simple, but fully as 

 dense; on the legs they are simple. Dorsal groove short, not reaching far 

 on body, enlarged at each end. Legs slender; leg i about as long as the 

 body, its last joint swollen and about two-thirds as long as the preceding 

 joint; leg iv longer than the body and extending much beyond it, the last 

 joint is swollen and scarcely one-third as long as the preceding joint; this, the 

 penultimate joint, has on its under surface many stiff bristles, and a half 

 whorl of them at its tip. Palpus of moderate size; femur not greatly swollen, 

 tibia short and swollen above, claw large and stout with a tooth on inner 

 surface, thumb large, rather clavate; all with long scattered hairs. 



Several specimens from Santa Rosa Island, July (Eisen). 



