264. BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 
TIBELLUS PUNCTULATUS (Taczanowski). 
Thanatus punctulatus Taczanowski, Horae Soc. ent. Ross., 1872, 9, p. 10. 
Locality.— Santa Ana, 3,000 feet, August. (M. C. Z. 253, female). 
Previously known from Guiana. 
CLUBIONIDAE. 
EUSPARASSUS SHEFTELI, sp. nov. 
Plate 20, fig. 7-8; Plate 21, fig. 1. 
Carapace dark chestnut, blackish over anterior cephalic region 
and along the lateral margins. Chelicerae black. Femora chestnut, 
distally more blackish; distal joints blackish over a chestnut back- 
ground. Sternum dark chestnut or mahogany, the labium and en- 
dites similar excepting for the paler distal ends. Hair of these parts 
mostly of a golden lustre, that of the carapace in part grey; hair of 
the legs long. Abdomen light brown; hair long, subdense, yellowish. 
Posterior row of eyes much longer than the anterior (39:34), moder- 
ately procurved; eyes subequal; median eyes near once and a half 
their diameter apart, a little farther from the laterals. Posterior 
laterals two thirds their diameter from the anterior laterals, larger in 
the ratio 10:9. Anterior row of eyes straight, the median eyes a 
little larger than the laterals (ratio 11:10), about their radius apart 
and the same distance from the laterals. Median eye-area wider 
behind than in front in ratio 8:7; its length equal to anterior width. 
Upper margin of chelicera with two teeth; the lower with three 
of which the most proximal is the smallest. . 
Labium semicircular; more than twice as wide as long (42.19); 
notches at base slight, (Plate 20, fig. 8). 
. Claw of palpus distinct; pectinate. Tarsus densely scopulate over 
nearly entire surface both above and below. Femur and tibia each 
with a long subbasal spine toward the distal end. 
Sternum subtriangular; anterior margin straight; narrowly acutely 
extended between posterior coxae, (Plate 20, fig. 7). 
Femora of first three pairs of legs with three spines on anterior, 
three on posterior, and two on dorsal surface; femur IV with spining 
the same excepting that the spines of the posterior surface are lacking. 
