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



[b) Under abdomen without this trans- 

 verse fold. Legs IV. longest (exc. 

 Chi I'acanthiiim) . 

 (i.) Labium rather long. Central eye 



space generally wider than long. . Clubionid^ (6). 

 (ii.) Labium very short, almost semi- 

 circular. Eyes dark. Central 

 eye .space much longer than wide Sparassid^ (20) 



Fourth Section. 



A. Eyes in 4 unequal rows. Legs with 



numerous long spines . . Oxvopid.e (21). 



B. Eyes in 3 rows of 4, 2, 2. 



I. Eyes of first row very large. Tarsal claws 2 Salticid.^ (24). 



II. Eyes of first row small. Tarsal claws 3 . . 



1. Second row of eyes much shorter than 



the third. Clypeus high. Tibial 

 joint of (J palpus with an apophysis . . 



2. Second row of eyes not much shorter 



than the third. Clypeus moderate. 

 Tibial joint of (^ palpus without an 

 apophysis 



Pisaurid^ (22). 



Lycosid/E (23). 



TABLE B.— GENERA. 



1. Fam. Atypid^. 



A. Falces very highly developed, inserted 

 horizontally, permitting movement in a 

 vertical plane. Upper spinners 4 jointed A ty pus hatr. 



2. Fam. Dysderid^. 



A. Abdomen without a pattern, grey, 



middle and lower spinners almost 

 equal in length. Coxje of legs some- 

 what globular. 



I. Eyes in the form of a horseshoe, con- 



vexity backwards. Tarsal claws 2. 

 Cephalothorax red or liver-coloured 



II. Eyes forming nearly a complete circle. 



Tarsal claws 3. Cephalothorax brown 

 ish or blackish 



B. Abdomen with a pattern. Middle spinners 



slender, and much shorter than the 

 lower ones. Coxae cylindrical. Tarsal 

 claws 3 



3. Fam. Oonopid;e. 



A. Abdomen without scuta . . 



B. Abdomen with dorsal and ventral scuta 



I. Eyes 6. Ventral scutum short. 



1. Anterior eyes contiguous and ocular 

 area forming a complete circle 



2. Anterior eyes separated, and ocular 

 area open in front 



II. Eyes 2. Ventral scutum long . . 



4. Fam. Scytodid.e. 



Dysdeva Latr. 

 Harpactes Tempi. 



Segestria Latr. 

 Oonops Tempi. 



I schnothyreus Sim.* 



Tr iter is Sim.* 

 Diblemma Camb.* 



A. Number and position of eyes character- 

 istic. Cephalothorax subglobose 



Scvtodes Latr. 



* In Britain, holhouse exotics. 



Naturalist 



