ZooL.— Vol. III.] BANKS— ARACHNIDA FROM CALIFORNIA. 353 



Tibellus duttoni Hentz. Spid. U. S. 1875, P- 81. 



One specimen from St. Helena, Napa County, July 

 (Fuchs) ; others from Elsinore and Santa Clara County 

 (Baker). 



Tibellus oblongus Walckenaer . Faun. Paris, 11, 1802, p. 228. 



Several specimens from Palo Alto, September; Santa 

 Clara County (Baker). 



Philodromus rufus Walckenaer. Faun, franc. Arach. 1806, 

 p. 91. 



P. pictus Emerton. N. Eng. Thomisidae, p. 373. 



Several specimens from Coulterville, Mariposa County, 

 July (Eisen), and Mill Valley, Marin County, May 

 (Fuchs). 



Philodromus sp. 



Two specimens of a species not known to me from 

 Downieville, Sierra County (Fuchs) and Laundry Farm, 

 Alameda County (Fuchs). 



Philodromus californicus Keyserling. Verh. zool.-bot. 

 Ges. Wien, 1883, p. 676. 



One female from Santa Clara County (Baker); de- 

 cribed from the State. 



Philodromus mcestus n. sp. 



Plate XXXIX, Figs. 26 and 30. 



Cephalothorax pale brownish on sides, and in front, leaving a broad 

 median whitish area ; mandibles pale ; legs pale, darker on the tibiae ; ster- 

 num pale ; abdomen pale reddish brown, an oblong whitish spot each side 

 on base, and smaller, rather indistinct, spots behind, more or less connected 

 in pairs ; venter pale. Cephalothorax a trifle longer than broad ; P. M. E. 

 almost three diameters apart, hardly half so far from the equal P. S. E., 

 A. M. E. smaller, two diameters apart, and as far from the larger A. S. E., 

 the latter barely if any closer to P. M. E. than to P. S. E. Legs slender, 

 tibiae i and 11 with 2-2 spines beneath. Abdomen nearly twice as long as 

 broad, depressed. 



Length 3.2 mm. 



One male from Santa Clara County (Baker). 



