NEW AND RARE SPIDERS. 93 



The Legs, 1, 2, 4, 3, are moderately long, slender ; the spines, 

 short and very slender, scarcely more than bristles, one on each of 

 the femora, except those of the first pair, which have two, and 

 two on the tibiae ; the metatarsi have none. 



The Palpi are of moderate length, and similar in colour to the 

 legs, the cubital joint is short, and has a tolerably long and strong 

 black tapering bristle near the middle of its anterior margin, the 

 radial joint is about equal in length to the cubital, its anterior 

 extremity is rather broad or angular, and near the middle of its 

 upper side is furnished with some bristly hairs, mostly in a kind of 

 fringe near its fore extremity ; the digital joint is large, and has a 

 strong lobe on the outer side of a darker yellow brown hue than 

 the rest, its extremity is obtuse and bluff. The palpal organs are 

 prominent and complex, with various corneous lobes, spines, 

 and processes. 



The Maxillce are strong and much inclined to the Labium, which 

 is very short, broad, and somewhat hollow truncate. 



The Falces are rather long, not very strong, rather projecting, and 

 slightly divergent at their extremities. 



The Sternum is heart-shaped, and its hinder extremity is 

 produced into an elongated sharp point between the coxae of the 

 fourth pair of legs. 



The Abdomen is oval, glossy, moderately convex above, of a 

 pale luteous colour, thinly clothed with coarse hairs. 



A single example of this very distinct spider was found among 

 moss in Morden Park, on the 7th of April, 1890. It appears to 

 belong to M. Simon's genus Opistoxys, whose chief distinguishing 

 character is the sharp pointed prolongation of the posterior end of 

 the sternum. 



GEN : HILAIRA (Sim., Neriene BL, ad partem). 



HlLAIRA UNCATA. 



Hilaira uncata Cambr. Spid. Dors., p. 433, and Proc., Dors. 

 N.H. and A.F. Club, 1882, vol. iv., p. 151, and 1889, vol. x., 

 p. 132. 



