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



1. Clypeus very low. Anterior central 



eyes larger than the laterals. Legs 



short and without spines Tapinopa Westr. 



2. Clj'peus very high. Anterior central 



eyes smaller than the laterals. Legs 



long and very spinose Floronia Sim. 



n. Posterior eyes nearly equidistant. 

 Anterior row nearly straight. 



1. Falces with two stout spines in front ; 



at the base Dyapetisca Sim. 



2. Falces without such spines at the 



base. 

 («) Posterior eyes close, intervals less 



than a diameter. Sternum heart- ' 



shaped, not longer than wide, 

 (i.) Central eye space longer than 



wide. Eyes subequal . . . . Labiilla Sim. 



(ii.) Central eyes epace not longer 



than wide. Central anterior eyes 



smaller than the others. 



(a) Posterior eyes strongly curved 



forward. Clypeus wider than 



the ocular area. All femora 



with spines, and metatarsi 



with few spines Taranucnus Sim. 



(p) Posterior eyes straight, or 

 nearly so. Clypeus not wider 

 than ocular area. Femora I. 



only with spines. \ 



* Metatarsi of at least I. and 



II. with one spine only on 



upper side. Anterior eyes 



straight or curved slightly 



forward Lcptyphantes* Menge. 



** ]\Ietatarsi without spines. 

 Anterior eyes straight or 



curved slightly backwards Bathyphantes ]\Ienge. 

 (b) Posterior eyes more widely separ- 

 ated, intervals greater than the 

 diameter. Sternum longer than 

 wide. 

 (i.) Central eye space longer than 



wide Bolyphaiites Menge. 



(ii.) Central eye space at least as 

 wide as long. 

 {a) Tarsus I. half as long as 

 metatarsi I. Central eye 

 space much narrower in 

 front. Dorsal tibial spines 

 equally strong in all legs . . Linyphia Latr. 

 {b) Tarsus I. a little longer than 

 h metatarsus I. Central 

 eye space not narrower in 

 front. Dorsal tibial spines 

 very slender on I. and II., 

 stout on III. and IV. . . Stemonyphantes ^lenge. 



* L. nebu/osus, L. leprosus, L. miiiutus, and Z. terricola, have several 

 lateral spines as well on the metatarsi. 



{To be continued). Naturalist 



