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; narroVly 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. 



