20 PECKHAM. [Vol. 2, 



Falces of the male brown and slightly iridescent, with the skin 

 roughened and wrinkled and having 'fine black lines around 

 the outer edges. Under surface of the body light brown. 

 $ . Abdomen light brown with a white band at the constric- 

 tion. Falces smooth brown. 

 Habitat. Central America. 



S.iLTICUS ARMATUS N. SP. 



PI. VII., Figs. 6 and 6a, male palpus. 

 S . Total length, 7 mm. 



Cephalothorax : Length, 3 mm.; width, 1.5 mm. 

 Legs, 4132 ; equally stout. Two and three nearly equal. 

 1st leg longer than second by tarsus and one-half meta- 

 tarsus. 

 4th leg longer than 8d by tarsus and metatarsus. 

 Tibia of palpus at least twice as long as patella, and 

 much longer than tarsus. 



Cephalothorax rather high, with a depression behind dor- 

 sal eyes. Cephalic part a little higher than thoracic. Quad- 

 rangle of ej'cs barely wider than long, and very little wider be- 

 hind than in front, occupying more than one-third of 

 cephalothorax. Anterior eyes in a straight row, subtouching ; 

 middle twice as large as lateral. Second row half-way between 

 first and third. Falces long, rounded, obliquely inclined, 

 strongly divergent, robust, with a cluster of teeth near the 

 insertion of the fang. Fang long, with a double curve, and a 

 tooth in the middle. Lip longer than wide. CoxEe i separated 

 by width of lip. Pedicle very short. Abdomen cylindrical, 

 with a strong constriction in the anterior third. Sternum nar- 

 row, contracted behind and truncated in front, wedge-shaped. 



Color. Cephalothorax black in front of the dorsal eyes, 

 light brown behind them, with a white band at the jjost-ocular 

 depression, white hairs around the eyes of the first row, and 

 thinly covering the thoracic part. Abdomen black, with a 

 yellowish spot on the back, in front of the constriction, and two 

 encircling white rings, one around the anterior portion, and 

 one at the constriction. The posterior part is thinly clothed 



