72 
Psyche 
[March 
than 3.2 mm. The male palpal tibia has two small tubercles laterally 
near the margin. The internal copulatory apparatus of the female 
is relatively large, especially the bursae. Both sexes have a distinct 
carina on the anterior face of each chelicera. 
Description. Carapace : average length of males 2.99 mm (2.7- 
3.4, N=8), average length of females 2.89 mm (2.6-3. 1, N=8); broad 
dark median band; narrow light submarginal bands. Legs : (1-2- 
4)-3. Abdomen : median band with typical shape, paler anteriorly; 
pair of converging longitudinal light stripes (Fig. 4). Male. Pedi- 
palp : (Figs. 14, 15) tibial apophysis broad, arises apically on dorsal 
side, bends laterally, terminates in a single acute apex; small, acute 
tubercle near apical tibial margin, prolaterally and retrolaterally; 
conductor broad; median apophysis broad, white, mostly hidden 
behind conductor; tegulum with 2 distinct lamellae; cymbium with 
obscure elevation on prolateral margin. Female. Epigynum: 
(Fig. 24) lateral elevations hemispherical, broadly in contact or op- 
posed; median elevation hood-like, indented or rounded poste- 
riorly, in contact with lateral elevations. Internal copulatory ap- 
paratus : (Fig. 25) bursae copulatrix very large, occupying most of 
epigynal area; fertilization tubes flattened, large, closely appressed 
against bursae. 
Natural History. No data available. 
Distribution. From the Mexican states of Nayarit and San Luis 
Postosi southward to Guatemala and El Salvador. 
Material Examined. Thirty-four males, 4 1 females, 1 5 immatures. 
Map 3. Distribution of Tinus minutus F. Pickard-Cambridge. 
