100 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



2. Lathys hirsutipes, new species 



Cephalothorax yellowish brown, paler behind; mandibles 

 reddish brown, in male rather long and but little divergent, with 

 a few teeth on the inner edge and on front with small granules 

 at. bases of the hairs; sternum yellow brown; legs yellowish, 

 unmarked. Abdomen gray, more or less plainly marked with 

 small blackish streaks and patches. Posterior eyes subequal, 

 and at about equal distances apart, the quadrangle of M. E. as 

 long as wide behind. The cephalothorax with few, not espe- 

 cially long, hairs; longer ones on the abdomen, and the legs with 

 especially long hairs and numerous short hairs; those on the 

 tibia? often three times the diameter of the joints. Length, 

 male, 4 mm. 



Figure 2. — Male palpi. 



Holotype, male, No. 738, Mus. Calif. Acad. Sci.; Helen Van 

 Duzee collector, May 27, 1918. 

 Type locality, Sacramento, Calif. 



3. Gayenna aperta, new species 



Cephalothorax yellow brown, dark marks on each side forming 

 broken stripes; abdomen gray, with dark spots and streaks 

 above; the venter with only a few dark marks; legs yellowish 

 brown or paler, with dark dots at bases of some of the spines and 

 bristles. Structure as usual; tibiae I and II with three pairs of 

 spines beneath, basal, median and apical; metatarsi I and II 

 with long subapical spines and very short preapical ones. The 

 vulva shows a spear-shaped opening in the middle, and a dark 

 rim, widely curved each side, and nearly meeting behind where 

 they bend back to the margin. Length, female, 6.8 mm. 



