Families, Genera and Species of British Spiders, etc. 331 



[a] Quadrilateral of dorsal eyes parallel 

 or somewhat narrower behind 

 than in front. 



(i.) Cephalothorax longer and 



narrower. Tibia + patella III. 



shorter than tibia + patella IV. Phlegm Sim. 

 (ii.) Cephalothorax shorter. Tibia 



+ patella III. not shorter than 



tibia + patella IV JEliii'iHiis Sim.* 



[b) Quadrilateral of dorsal eyes wider 



behind than in front. Metatarsi 

 and tarsi III. and IV. much shorter 

 than tibia and patella IIT. and IV. PeUcnes Sim. 

 2. Legs III. much shorter than IV. 

 (rt) Thorax with impression behind 

 the eyes. Legs with numerous 

 strong spines. Inferior margin 

 of falces without a tooth, 

 (i.) Cephalothorax fairly long. 



Thorax at least \ longer than 

 caput. Quadrilateral of dorsal 

 eyes parallel or nearly so. 



Sternum fairly wide Sitticus Si\m.] 



(ii.) Cephalothorax shorter. Thorax 

 only i longer than caput. Quad- 

 drilateral much wider behind 

 than in front. Sternum narrow Attitlus Sim.f 

 {b) Thorax without an impression be- 

 hind the eyes. Inferior margin of 

 falces, with a small tooth. Legs 

 III. and IV. without spines . . Keoii Sim. 

 11. Inferior margin of falces with a strong 

 conical tooth. 

 I. Tibia + patella III. not shorter 

 than tibia + patella IV. 

 {a) Anterior metatarsi with both 

 lateral and inferior spines. An- 

 terior row of eyes curved forward Phil^eits Thor. 

 (5) Anterior metatarsi with inferior 

 .spines only Anterior row of eyes 

 nearly straight by summits . . Evavcha Sim.+ 

 ■2. Tibia + patella III. shorter than 

 tibia -f- patella IV. 

 [a) Second row of eyes much farther 

 from the posterior row than from 

 the anterior, 

 (i.) Quadrilateral of dorsal eyes 

 much wider behind than in 

 front. 

 («) Thorax longer than caput, 

 with an impression behind 



the eyes Dendryphantcs C. Koch. 



{ft) Thorax very wide, not longer 

 than the caput, without an 

 impression or a scarcely per- 



* ^^liuvps Thor., B.I.S. — preoccupied. 



f Sitticiis and Atfidiis Sim. make up the g-enus A/fus W'alck. — B.I.vS. 



\ Hasariiis falcatiis HI. and H. arniatiis Clerck. — B.I.S. 



1510 Sept. I. 



