Families, Genera and Species of British Spiders, etc. 239 



upper spinners much shorter than the 



basal. Anterior tibiae with two rows 



of spines beneath. 



T. Labium about as long as wide. 



Anterior tibia- and metatarsi cyhn- 



drical, spines beneath tew (2-2 



rarely 3-3) and slender Cicurina Menge. 



2. Labium wider than long, .\nterior 



tibia; and metatarsi not cylindrical, 



spines beneath long and strong (4-4 



or 6-6). 



{a) Anterior eyes straight. Posterior 



eyes small, widely separated. . Tetrilus Sim. 

 (6) Anterior eyes very strongly curved 

 backwards. Posterior eyes large, 

 closer Cryphoeca Thor. 



11. Fam. Hahniidae. 



A. Central anterior eyes larger than the 



laterals, and at least double the pos- 

 terior centrals -Intisiea ':s\ra. 



B. Central anterior eyes smaller than the 



laterals Hahuia C. L. Koch. 



12. Fam. Pholcidae. 



A. Eyes of lateral groups large, of central 

 group small. Legs in both sexes without 

 spines PJwlcus ^^■alck. 



13. Fam. Theridiidae. 



A. Tarsal claws with teeth. 



I. Abdomen (at least in the q) with a 

 stridulating organ. 



1. Posterior central eyes closer to each 



other than to laterals. Lateral eyes 

 on oblique tubercles. 

 [a] Lateral eyes not touching. Inferior 

 margin of fang groove without 

 teeth. Ej'e tubercles strong. 

 (i.) Eyes smaller. Central eye space 

 longer than wide. Clypeus 

 nearly as long as falces . . . . Asageua Sund. 

 (ii.) Ej-es large. Central eye space 

 at least as wide as long. Clj^- 

 peus scarcely half the length of 



the falces LithvpJiaiites Thor. 



{b) Lateral eyes touching. Inferior 

 margin of fang groove with teeth, 

 (i.) Labium scarcely half the length 

 of the maxillae Eye tubercles 

 strong. Sternmn narrowly pro- 

 duced between the posterior 



coxae Enoploguatha Pa v. 



(ii.) Labium more than half the 

 maxillae. Eye tubercles low. 

 Sternum not produced between 

 the posterior coxae Robertas Cb. 



2. Posterior eyes nearly equidistant. 



Lateral eyes not on tubercles and 

 touching. 

 {a) Posterior eyes in straight line or 

 curved slightl}^ backwards. An- 

 terior row nearly straight . . . . Teiitana Sim. 

 igio June i. 



