58G REV. O. P. CAMBRIDGE ON EGYPTIAN SPIDERS. [June 20, 



one, which is smallest of the eight : the hinder eyes of the lateral 

 pairs follow the same curve as the four middle ones ; but the interval 

 between each and the end one of the central curve is as great as that 

 between the latter and the next to it but one : the interval between 

 the two middle eyes of the central curved row is greater than 

 that between each and the end eye nearest to it ; these end eyes are 

 also rather larger than the middle ones. Owing to the flatness of the 

 caput and the nearness of the eyes to its fore margin, the clypeus is 

 very low, no more than equal to the diameter of one of the middle 

 eyes of the central curve. 



The leys are long, moderately strong, and not greatly unequal in 

 length ; their relative length is 2, 3, 4, 1 ; they are of a dull yellow 

 tinged with brown, and more or less distinctly annulated with darker 

 yellow-brown ; they are furnished slightly with a greyish yellow 

 pubescence, which sometimes obscures the darker annulations, and 

 also with hairs, bristles, aud spines of various lengths. Each tarsus 

 terminates with two curved claws, which appear to be devoid of pec- 

 tination ; and beneath them is a small but compact scopula of black 

 hairs. 



The palpi are short, similar to the legs in colour, except the radial 

 and digital joints, which gradually deepen into a dark reddish yellow- 

 brown : the radial joint is nearly of the same length as the cubital, 

 and has, near its outer fore extremity, a prominent dark red-brown 

 somewhat corneous looking apophysis of a tapering, but not very 

 acute, pointed form ; on the inner side, towards the fore extremity of 

 the radial joint are several long spine-like bristles; the cubital joint 

 has a single bristle on the upperside at the fore extremity ; and the 

 humeral joint has several spine-like ones about the same part ; the 

 digital joint is of good size and of a regular oval form, but does not 

 equal in length that of the radial and cubital together by about one 

 half of the latter ; the palpal organs are well developed, but not 

 very complex, nor presenting any thing very remarkable in their 

 structure. 



The Juices are moderate in length and strength, rather prominent 

 in front, rounded in profile, and of a deep red-brown colour, paler 

 reddish-yellow near the fore extremity on the inner sides ; they are 

 furnished with longish bristly hairs, and appear to have one or two 

 sharp teeth on their inner margins ; the fangs are powerful, strongly 

 curved, and of a deep red-brown colour. 



The maxilla are strong, straight, and obliquely and roundly trun- 

 cated at their extremities ; their colour is yellow red-brown, softening 

 to pale yellow at their extremities. 



The labium is equal in length to half that of the maxillse ; it is of 

 an oblong form, rounded at the apex, where it is of a pale yellowish 

 colour, the rest being reddish yellow-brown ; the upper half is appa- 

 rently wider than the lower. 



The sternum is of a dull yellow colour, and nearly circular in its 

 shape, its fore margin is a little flattened, its hinder extremity 

 notched, and its surface is furnished with hairs. 



The abdomen is very flat, of an oval form, truncated before, 



