778 



which latter are much longer than their neighbours. Abdomen 

 oval. Spinnerets, four. Superior pair minute and located in 

 a deep posterior abdominal depression ; inferior pair long^ 

 cylindrical. 



Cryptoerithus occultus, n. sp. 

 9. Cephalothorax, 1*5 mm. long, 1*2 mm. broad; 

 abdomen, 2*5 mm. broad, 1*6 mm. long. 



Cephalothorax yellow, obovate, arched, moderately 

 clothed with long black hairs. Pars cephalica sloping forward, 

 not higher than thoracic segment, obtuse in front, arched, 

 segmental gToove faintly distinct ; ocular area broader than 

 long; clypeus not deep. Pars thoracica broad, convex, sloping 

 sharply to the rear, posterior angle truncated and indented ; 

 median fovea elongate, and having the appearance of a sharp, 

 deep cut ; marginal hand narrow, thickly fringed with short 

 black hairs (fig. 3). Eyes, eight; arranged in three rows of 

 2, 4, 2 ; large, compactly grouped ; median pair (second row) 

 slightly the largest of the series; anterior eyes separated from 

 each other by a space equal to about twice their individual 

 diameter; second row slightly recurved ; of this row the median 

 eyes are separated from each other by a space equal to about 

 half their individual diameter ; lateral eyes are seated close 

 to their inner neighbours, but do not touch ; posterior pair 

 wedge-shaped, obliquely placed, the points nearly meeting 

 (fig. 3). Legs concolorous with cephalothorax, long, tapering, 

 hairy, armed with moderately long and short strong spines ; 

 fourth pair of coxae much the longest ; tarsi two-clawed ; claws 

 small and obscured by tufts of spatulate hairs. Relative 

 lengths, 1, 4, 2, 3. Falpi concolorous with legs, moderately 

 long, and similar in clothing and armature. Falces concolorous 

 with palpi, moderately robust, tapering, arched, hairy ; fang 

 long. Maxillae pale yellow, almost white, arched, obtusely 

 acuminate, bulging at base, apices inclining inwards and 

 fringed with pale hairs ; heel rounded ; a few long, stiff bristles 

 distributed over the surface. Labium concolorous with 

 maxillae, rather longer than broad, free, slightly arched, 

 apex obtuse ; a few stiff, bristly hairs present. Sternum 

 somewhat cordate, concolorous with labium, arched, anterior 

 angle curved, posterior extremity acuminate and terminating 

 between fourth pair of coxae ; a few long, dark bristles spread 

 over surface ; margin reddish-brown ; in front of each coxa 

 there is a deep, lateral groove, extending well inwards and 

 concolorous with margin. Abdomen oval, overhanging base of 

 cephalothorax, strongly arched, yellow, clothed with short, 

 sooty, adpressed hairs; posterior extremity deeply indented 

 (fig. 4). Epigynum a transverse plaque with two transversely 

 oval pits (fig. 5). Spinnerets, four; superior mammillae 



