752 REV. O. P. CAMBRIDGE ON [June 18, 



larly curved, strong, corneous process, from within the curvature of 

 which there issues from these organs a small, black, pointed projec- 

 tion. The two hind central eyes are nearer together than each is 

 to the lateral eye of the same row on its side. 



This Spider is of one of those obscure species which occupy the 

 debatable ground between Linyphia and Erigone. To both of 

 these genera it is allied by strong characters ; but, as it appears to 

 me, it is more strongly linked to the latter than to the former. 

 Probably it should form one of the genus Bathyphantes (Menge) ; 

 but the distinctions between this and Erigone (Westr.) have not 

 been yet sufficiently characterized, although undoubtedly its special 

 characters are widely different from those of some other groups of 

 Erigone. A single example was received for examination from 

 Dr. L. Koch, by whom it was captured at Nuremberg. 



Erigone (Neriene, Bl.) romana, sp. n. (Plate LXV. fig. 6.) 



Male adult, length 1 line. 



The colour of the cephalothorax and sternum are deep brown ; 

 the abdomen is black, and the legs are orange yellow-brown ; the rest 

 dull brown, with a yellowish tinge. In general form and structure 

 this Spider is of an ordinary type ; the cephalothorax is rather short, 

 and less flattened behind than in many others ; the clypeus is equal in 

 height to half that of the facial space, and is very slightly impressed 

 immediately below the eyes : the eyes are rather prominent, being 

 seated on tubercles ; they are in the ordinary position, and not very 

 unequal in size ; those of the hinder row (which is longest and most 

 curved) are equally separated, and each of those of the fore central 

 pair (which are contiguous to each other) is separated from the 

 hind central on its side by a space equal to that which separates 

 those of the hind central pair ; the eyes of each lateral pair are 

 obliquely placed and contiguous to each other. The legs are 

 moderately long and strong, and are furnished rather thickly with 

 hairs, among which are some very slender, diaphanous, erect, spine- 

 like bristles. The palpi are moderately long and not very strong ; 

 the cubital is longer and stronger than the radial joint, and slightly 

 bent : the radial has its upper extremity produced into a long, not 

 very strong, nearly straight, tapering apophysis, equal in length to 

 both radial and cubital joints together, and its point, which is sharp 

 (when looked at sideways) and corneous, bends a little downwards ; 

 this apophysis projects over the digital joint very prominently : the 

 digital joint is large, and the palpal organs are well developed and 

 rather complex ; a strong, circularly coiled, black spine issues from 

 a roundish corneous lobe on their outer side, and a smaller curved 

 spine is visible within the coil of the former. The falces are strong, 

 rather long, and vertical. The abdomen is oval, black, and glossy, 

 and nearly double the length of the cephalothorax. The female 

 resembles the male in general characters and colour. The epigyne 

 is prominent, and, when looked at in profile, projects visibly beyond 

 the surface of the abdomen, and with a backward direction ; the 

 genital aperture is also characteristic. 



