Attklie of Noiih America. 29 



$ . Total length 6 mm. Width of abdomen 1.9 mm. 



Ceijhalothorax: length 3.1; width 1.9; height 1.8. 



Legs 7.5, 3.8, 3.9, 4.6; jjatella and tibia of the first, 3.2; patella and tibia of 

 the third, 2.1; patella and tibia of the fourth, 2.1; metatarsus and 

 tarsus of the fourth, 2.1. 



Falces 1.6. 



Ocular area one-third wider than long; anterior eyes small, lateral more 

 than one-half as large as middle eyes, and separated from them by 

 one-half their own diameter; dorsal a little smaller than lateral 

 eyes, and further from each other than from the lateral borders. 

 Clypeus one-fourth as high as middle eyes. Falces nearly as wide 

 as the first row of eyes, long, inclined forward, and diverging, fang 

 long. Maxillse narrow at base, wider at extremity, long, truncated, 

 slanting on the inner edge, and excavated for labium; labium less 

 than one-half as long as maxillae, longer than wide, a little contracted 

 and rounded at the extremity. Sternum nearly twice as long as 

 wide, truncated in front and rovmded behind. Anterior coxae sepa- 

 rated by scarcely the width of the labium. 

 $. Total length 9.4 mm. Width of abdomen 4.1 mm. 



Cephalothorax: length 3.2; width 2.4; height 1.6. 



Legs 5.9, 4.7, 4.7, 5.7; iiatella and tibia of the first, 2.1 ; patella and tibia of the 

 third, 1.8; patella and tibia of the fourth, 1.9; metatarsus and tarsus 

 of the fourth, 1.9. 



Falces parallel and vertical, shorter and less robust than in $ ; fang short. 

 Maxillse enlarged and rounded at extremity; labium more than one- 

 half as long as maxillae, twice as long as wide. 



Coloration: $ . Cephalothorax and abdomen bright bronze bi'own, the 

 former with a wide white band on each upper side, and a white spot 

 in the middle of the eye region, the latter with a wide white band 

 around the base and sides, and sometimes two rows of white dots on 

 the dorsum; clypeus, falces, palpi, mouthparts and sternum dark 

 brown; venter brown, covered with short white hairs; legs brown, 

 with femur of the first very dark, and j)roximal parts of the femora 

 of the second, third and fourth, and all the coxae, light yellowish. 

 ? . Cephalthorax bronze, nearly covered with gray hairs, the abdo- 

 men with a whitish band down the middle, and four pairs of more 

 or less elongated white spots; the lower sides are nearly white; cly- 

 peus covered with long white hairs; falces, mouthparts and sternum 

 brown; venter brown with short white hairs and a darker central re- 

 gion; legs and palpi light brown, with white hairs. 



Habitat: United States, Mexico. 



