ZooL— Vol. III.] BANKS— ARACHNIDA FROM CALIFORNIA. 343 



equal P. S. E.; quadrangle of M. E. as wide behind as long, and a little 

 wider behind than in front; legs quite long, without spines, but with many 

 long hairs; abdomen oblong elliptical. 

 Length 3.1 mm. 



Two females from Mt. Shasta (Lembert). 



Dictyolathys calif ornica n. sp. 

 Plate XXXVIII, Fig. 7; Plate XL, Figs. 40 and 46. 



Cephalothorax pale yellow, black around eyes, a narrow triangular black- 

 ish spot over dorsal groove; mandibles pale; legs pale yellowish, tibiae and 

 metatarsi darker; sternum blackish; abdomen pale, above with broad con- 

 nected black bands which occupy most of the surface, these leave two large 

 pale spots each side on anterior part, and behind five pale bands, the apical 

 ones reaching sides; the sides streaked with black, connected to black above; 

 venter with a black stripe each side connected to black surrounding spin- 

 nerets, and a short median black stripe. Cephalothorax rather broad in 

 front, clypeus very low; both eye-rows strongly procurved, the A. M. E. 

 very small, about diameter apart, and three times as far from the very much 

 larger A. S. E., which are equal to the other eyes; P. M. E. fully diameter 

 apart, and about as far from the nearly equal P. S. E. Mandibles vertical, 

 not divergent; sternum broad, broadest behind coxae 11, pointed behind; 

 abdomen elliptical, slightly depressed. Body and legs with many fine hairs, 

 no spines. 



Length 1.5 mm. 



One female from Palo Alto (Baker). 



THERIDIID^. 



Theridium tepidariorum Koch. Die Arachn. viii, 1840, 

 p. 75- 

 San Francisco, two specimens, August (Fuchs); Los 

 Angeles (Davidson); Lakeside (Baker). 



Theridium placens Keyserling. Spinn. Amer., Therid. (i) 

 1884, p. 71. 



San Francisco, July (Fuchs) ; Lake Tahoe, Placer 

 County, July (Troyer); Palo Alto, July (Baker); Mt. 

 Shasta (Lembert). 



Theridium differens Emerton. Trans. Conn. Acad. Sci. 

 VI, 1882, p. 9. 



