No. 1.] ANT- LIKE SPIDERS OF THE FAMILY ATTWJE. 39 



wddest point of the cephalothorax is at the middle of tlie 

 cephalic part, but the thoracic part is much wider in the middle 

 than at either end. Quadrangle of eyes barelj' wider than 

 long, a little wider behind than in front, occupying less than 

 one-third of the length of the cephalothorax. Anterior eyes 

 large, in a curved row, close together, the middle being nearly 

 twice as large as the lateral. Second row much nearer the first 

 than the third row. Dorsal ej'es on the sides of the cephalo- 

 thorax. Falces ( $ ) long, horizontal. Lip about as long as 

 wide. Sternum narrow. Coxte close together. Pedicle mod- 

 erately long. Abdomen long, oval. 



This genus differs from Salticus, Sarinda, Zuniga and 

 Martella in the great length of the thoracic part. 



BOCUS EXCELSUS N. SP. 



PI. III., Fig. 4, male ; 4a, face and falces ; 4b, side of 

 cephalothorax ; 4c and 4d, male palpus. 

 S . Total length, 8 mm. 



Cephalothorax: Length, 4 mm.; width, 1.5 mm. 

 Legs, 4132 ; all slender. 

 Falces, 2.1 mm. 



The falces of this species have the upper surface rugose, 

 flattened, and slightly inclined, from the outer edges, inward. 

 The fang is long and has two notches on the inner side, near 

 the extremity ; the hook is not very strongly curved. 



Color. The cephalothorax, and the abdomen above and 

 below are black with a sprinkling of long and short, yellowish 

 hairs. There are white hairs on the sides of the cephalic part, 

 around the anterior eyes and in a triangular patch on each 

 side of the thoracic part, running downward and backward 

 from the constriction to the lower border. The falces, palpi, 

 sternum, mouth parts and the coxae of the second, third and 

 fourth pairs of legs are reddish brown ; the coxse of the first 

 pair, yellow. The first leg has the femur and patella light 

 yellowish-brown, with two longitudinal black lines, one on the 

 inner and one on the outer side, tlie tibia reddish-brown, and the 

 metatarsus and tarsus blackish ; the second and third legs are 



