330 Fainiiies, Genera and Species of British Spiders, etc. 



B. Central eye space not longer than wide. 

 Anterior central eyes larger than the 

 laterals Dolomedes Latr. 



23. Fam. Lycosidae. 



A. Front of cephalotliorax high, sides 



straight, nearly vertical. Labium not \ 



longer than wide or wider. Posterior 



metatarsi at least not shorter than the 



tibia and patella together Lycosa Latr. 



B. Front of cephalotliorax low, wide below 

 and narrow above, sides inclined and con- 

 vex. Labium always a little longer than 

 wide. Posterior metatarsi nearly always 

 shorter than the tibia and patella together. 

 I. Upper spinners longer than the lower, 



second joint very distinct .. .. Pirata Sur\c\. 



IL Upper spinners equal to the lo\\er, 

 second joint indistinct. 



1. Clypeus equal to or less than the dia- 



meter of a front eye TvocJiosa C. L. Koch. 



2. Clypsus clearly greater than the dia- 



meter of a front eye Tarentitla Sund. 



24. Fam. Salticidae. 



Section L — Pluridentati Sim. 

 Species having the inferior margin of the falces armed with many teeth. 



A. Sternum very long, prolonged between the 

 posterior coxag of legs. Pedicle between 

 the abdomen and cephalotliorax very long 

 and visible from above. Coxae of legs IL 

 well separated from coxae of legs IIL 



Falces of ^ very long and horizontal . . Myrtuarachne McLeay.* 



B. Sternum oval, more or less wide. Pedicle 

 short and not visible from above. Coxse of 

 legs on same side contiguous. Legs III. and 

 IV. without spines. Falces short and 



vertical Balliis C. I-. Koch. 



Section II. — Unidextati Sim. 



Specie.! having t'ne inferior margin of the falces armed witli a single 

 tootii (in SitticHs and Attiilus Sim. the tooth is absent). 



A. Sternum very long, prolonged between 

 the posterior coxas. Pedicle between the 

 abdomen and cephalotliorax long, and 

 visible from above. Coxae II. well 

 separated from Coxae III. Falces of botii 



sexes short and vertical Synageles Sim. 



B. Sternum oval, more or le.ss wide. Pedicle 

 siiort and not visible from above. Coxse 

 of legs on same side contiguous. 



1. Inferior margin of falces with o or i 

 small slender tooth. 

 I. Legs III. much longer than IV. (exc. 

 in Phlegva where they are shorter). 

 Legs with strong spines. Thorax 

 without or wdtli very sligiit impres- 

 sion. Inferior margin of falces one 

 toothed. 



* Salticiis Lat., B. I.S. — Priority of name. 



Niauralist, 



