84 CATALOGUE OF THE SPIDERS OF 



the palpus will distinguish, the male from either. It is still 

 more nearly allied to Tmeticus {Neriene) reprohus, Cb. (Ann. and 

 Mag. l^at. Hist., Ser. 5, vol. lY., p. 196, pi. XII.), the palpal 

 organs being remarkably similar. In the present Spider, how- 

 ever, the digital joint of the palpus is armed with three spines : 

 the radial joint exceeds the cubital in length : the falcal process 

 is stout and truncate ; the f alces bear a very distinct longitudinal 

 row of granulations, and the abdomen is greenish. 



CENTROMERUS, (Dahl). 



Centromerus bicolor, (BL). 



Neriene hicolor, Blackwall. Op. cit., p.250, pi. XVII., fig. 168. 



N. IS'orth Northumberland, all localities ; Bardon Mill, Whit- 

 ley, Holywell Dene, Morpeth, Newburn. D. Urpeth. Very 

 common from August onwards, at the roots of grass and in like 

 places. 



Centromerus concinnus, Thor. 



Centromerus concinnus, Thor. Tijdschr., voor Entom,, vol. 



XVIIL, p. 87. 

 , , , , Sim. Arach. de France, vol. V. , p. 402. 



N. Bardon Mill, Holywell Dene, "Whitley. Among grass; 

 always, I think, with Centromerus hicolor, but apparently quite 

 distinct. 



Centromerus expertus, (Cb.). 



Linyphia experta, Cambridge. Linn. Soc. Trans., vol. XXVII., 



p. 429, pi. LV., fig. 23. 



N. Cold Martin Moss, Cheviot Hill. A rare Spider. 



Centromerus silvaticus, (Bl.). 



Neriene sylvatica, Bl. Op. cit., p. 254. 



Tmeticus silvaticiis, Simon. Arachn. de France, vol.V., p. 410. 



N. Langleyford, Hedgehope, Humbleton Hill, "Wooler, Bar- 

 don Mill. D. TJrpeth. Adult from the middle of August. 

 Not common. 



