46 
Psyche 
[Mar.. 
tral sternites not divided, anterior and posterior ones 
divided. Abdomen stout, 2.6 mm. long, about 1.85 mm. 
wide. 
Chelicera with chaetotaxy and flagellum as in the genus ; 
length of chelicera 0.25 mm., width of base about 0.16 
mm. Inner margin of fixed finger with three or four 
retroconical teeth, inner margin of apical tooth of fixed 
finger with two small denticles. Movable chelieeral finger 
a little curved; subapical lobe very near the base of the 
apical tooth ; serrula exterior of 18 ligulate plates ; galea 
relatively short, simple, stout, terminally rounded and 
without rami; length of movable finger 0.19 mm. 
Palps (Fig. 9) very similar in outline to those of other 
species of the genus. Setae of maxilla chiefly acuminate ; 
setae of the trochanter, femur, and tibia distinctly clavate ; 
setae of the chelal hand subclavate to clavate ; setae of the 
fingers acuminate and relatively long. Maxilla 0.60 mm. 
long, 0.34 mm. wide ; trochanter nearly square in outline 
with the pedicle short and stout, length including pedicle 
0.47 mm., greatest width taken at about a right angle with 
the longitudinal axis 0.37 mm. ; femur 1.07 mm. long, 
width 0.30 mm. ; tibia 0.81 mm. long, 0.325 mm. wide ; chela 
ba sally truncate and little convex, fingers very slender in 
relation to the hand and gently curved; length of chela 
without pedicle 1.52 nun., width 0.44 mm. ; length of hand 
without pedicle 0.83 mm., depth of chelal hand 0.36 mm. ; 
length of movable finger 0.70 mm. Marginal teeth of the 
chelal fingers conical to retroconical in the distal part of 
the row of each finger, much flattened in the proximal 
portion of each row; cusps poorly developed; about 35 
teeth on the movable finger, about 45 on the fixed finger. 
Tactile seta arranged as shown in figure 10. 
Legs dark brown in color, with the more distal podo- 
meres somewhat dusky ; setae of femoral parts and the ex- 
tensor margins of the more distal podomeres clavate, 
being conspicuously long and club-shaped on the tarsal 
podomeres of the fourth leg; setae of the flexor surface of 
the tibial and tarsal podomeres acuminate ; tarsal claws 
moderately stout. First leg with trochanter 0.245 mm. 
long, 0.175 mm. deep; pars basalis with flexor margin 
more or less evenly convex, 0.253 mm. long, 0.163 mm. 
