224 
Psyche 
[December 
Description. Carapace nearly circular, weakly sclerotized. Pos- 
terior median eyes separated by about three diameters. Chelicerae 
small. Legs long, first patella and tibia i. 5-3.0 times carapace length. 
Abdomen longer than wide, widest anterior (Figs. 6, 7) . 
Diagnosis. Separated from Argyrodes by having two setae in 
place of colulus, from Episinus by having different abdominal shape, 
the abdomen being longer than wide, widest anterior, and by lacking 
horns in eye region and not having eyes on tubercles. Unlike Thwait- 
esia, Spintharus lacks silvery spots and has the posterior median eyes 
far apart. 
Distribution. Known from only two American species. 
Map 1. Distribution of Spintharus species. 
