PAPERS ON SPIDERS 5 $3 



Ostearius gen. nov. 



Teeth as in Gongylidium, but one outer tooth only in the 

 male. Two dorsal spines on all the tibiae, short and black. 

 Other characters of Gongylidium. 



British species : nigricauda Cb. (type). 



Tmetlcus Menge. 



Outer teeth four, very short and far apart in the male ; inner 

 teeth large. Maxillae nearly rectangular in the upper half, 

 very strongly inclined inwards. Labium not large, margins 

 parallel below the reflexure. Falces very tumid at the base 

 and granulate. Leg spines of Gongylidium. 



British species : affinis Bl., graminicola Bl., dentatics Wid. 



I append the formal diagnoses of the two new genera which 

 I have proposed to separate from Microneta and Sintula, 



Agyneta gen. nov. 



Cephalothorax broad oval, thoracic part almost circular. 

 Falces short, narrowed to the extremity on both sides. Fang 

 unusually thick; groove deep, without marginal teeth. Eyes 

 small, very closely grouped, not occupying the whole width of 

 the caput. Legs shorter than in Microneta. 



British species : passiva Cb. (type), subtilis Cb., cmila Cb., 

 decora Cb., clypeata F. Cb. 



Rhabdoria gen. nov. 



Falces straight, longer than the facial height, not attenuate 

 or divergent in the male. Outer teeth three in the female, 

 two in the male ; inner teeth none. Eyes closely grouped, the 

 fore central pair small and dark, the rest larger, nearly white. 

 Legs normal, two slender spines or bristles on each tibia ; no 

 lateral spines. Cephalothorax rather long, not much narrowed 

 at the caput. 



British species : diluta Cb. (type). 



