Families, Genera and Species of Byitish Spiders, etc. 



II. Curve slight (cxc. Di place [^iKilns beckii 

 Camb). 



1. Posterior centrals farther from each 



other than from laterals. Anterior 

 eyes nearly touching. 



[a] Clypeus much narrower than the 

 ocular area. Tarsi I. and meta- 

 tarsi I. about equal. Anterior eyes 

 straight Tapinocyba Sim. 



{b) Clypeus not narrower than the 

 ocular area. Tarsi I. about \ 

 shorter than metatarsi I. An- 

 terior eyes curved backwards . . Metopobactriis Sim. 



2. Posterior eyes equidistant or centrals 



nearer to each other than to laterals. 

 {a) Anterior central eyes widely 

 separated from the laterals. Tegu- 

 ment coriaceous Dicymbiiini Menge. 



(fe) Anterior central eyes narrowly 

 separated from the laterals. Tegu- 

 ment not coriaceous, 

 (i.) Posterior eyes moderate in size, 

 interspaces not wider than the 

 eye. Laterals on feeble promi- 

 nences. Metatarsi IV. as long 



as tibia IV Di place phaliis Bert. 



(ii.) Posterior eyes small, inter- 

 spaces always wider than the 

 eve. Metatarsi W . shorter than 

 tibia IV. 

 {"■) Clypeus distinctly wider than 

 the ocular area. Lateral eyes 

 not on prominences. Cephalo- 

 thorax of ^ with strong post- 

 ocular impressions . . . . Evans ia Camb. 

 (p) Clypeus equal or less than the 

 ocular area. Lateral eyes on 

 strong prominences. 

 * Femora I. furnished beneath 

 with many slender, flexible 

 bristles, diminishing in 

 length from base to ex- 

 tremity. Cephalothorax of 

 1^ without lobe or ocular 



impressions Stvloctetor Sim. 



** Femora I. without such 

 bristles. Cephalothorax of 

 Q with a lobe and ocular 



impressions Entelecnra Sim. 



Group 5. 



A. A dweller in ants' nests, characterised by 

 the minuteness and wide separation of its 

 eyes, the posterior row being very strongly 



curved backwards Thyreostheiiiiis Sim. 



Group 6. 



A. Posterior eyes curved strongly backwards, 

 equidistant or nearly so. Caput of /^ 

 deeply impressed. Eyes large U'ideri-.i Sim. 



jgio Sept. I. 



J-D 



