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



B. Posterior eyes straight or curved very 

 slightly backwards. Caput of q not im- 

 pressed. 



I. Eyes small, not occupying the whole of 



the wide caput. Thorax often punctate Watckenacra'Bl. 



II. Eyes occupying the whole of the 



narrower caput. 



1. Posterior eyes large, close, inter- 



spaces less than the diameter of an 



eye Prosopotheca Sim. 



2. Posterior eyes moderate or small, 



interspaces not less than the dia- 

 meter of an eye. 



(a) Anterior eyes straight. I-egs 



short, with short hairs. Tarsi I. 

 stout, not shorter than meta- 

 tarsi I. Thorax without a longi- 

 tudinal impression Corniciilai'ia Menge. 



(b) Anterior eyes cur\^ed slightl}' for- 



ward. Legs long. Tarsi I. 

 slender, much shorter than meta- 

 tarsi I. Thorax with a short, 

 slight longitudinal impression . . Tigellinus Sim. 

 Group 7. 



A. Eyes minute, widely separated, interspaces 

 much wider than tlie eye. Cential pos- 

 terior eyes much nearer to each other than 



to the laterals Typhochrestns Sim. 



B. Eyes large or moderately so, interspaces 

 not or not much wider than the eye. 



I. Falces ver}- convex externally, where 



there is a row of teeth or granulations. 

 Cephalothorax with a sub-marginal 

 impression, marking o'f a very distinct 

 border Erigone Aud.* 



II. Falces normal. Cephalothorax \\"it'ii- 



out the sub-marginal impression and 

 distinct border. 



1. Posterior central eyes nearer to each 



oth(>r than to the laterals. 



[a] Posterior eyes slightly curved for- 

 ward, and anterior eyes slightly 

 backwards. Clypeus convex and 

 prominent at the lower edge. 

 Tarsi I. a little shorter than meta- 

 tarsi i Dismodicus Sim. 



{b) Posterior eyes slightly curved 

 backwards. Clypeus vertical and 

 flat. Tarsi I. much shorter than 

 metatarsi I. Anterior eyes curved 

 slightly forward Goiigy'.idium "Menge.f 



2. I^osterior eves equidistant or centrals 



farther from each other than from 

 the laterals. 

 (a) Caput wide, eyes not occupying 



the whole width. Tarsi I. not 



sliorter than metatarsi I. Males 



* Includes G())igyUdiuiu grninintcola Sund. — B.I.S. 

 ■j" G. riifipcs Sund. onlv. — B.I.S. 



■ Naturalist. 



