72 Rev. F. O. Pickard-Cambrldge on 



A. Posterior row of eyes strongly 



curved, it.s convexity dii'ected for- 

 wards. Femora of all torn- pair of 

 legs armed with at least one spine 

 on the upperside Taranuaitis, Sim. 



B. Posterior row of eyes straight or 



almost. Femora of first pair of 



legs only armed with spines. 



{Lept'./phantes. ) 

 i. Femora of first pair alone armed with 

 a spine. Metatarsi of at least the first 

 two pairs bearing a single erect spine 

 fin the upperside near the base of the 

 joint [nebulosvs, leprosiis, a'acris, and 

 imnutus have several lateral spines as 

 well). Falces in both sexes similarly 

 though very slightly attenuated and 

 divergent at the apex Leptyphantes, Menge, Sim. 



ii. Femora of at least the first two pairs 

 armed with spines. Metatarsi ^^^thout 

 any spines at all. Falces of males 

 alone slightly attenuated and divergent. Bathyphantes, Menge Sim. 



2*. Anterior metatarsi shorter than the 

 tibife. 



A. Eyes small and widely separated. 



i. Sternum produced behind into a long, 

 slender, pointed prominence, extending 

 beyond the coxal joints of the fourth 

 pair of legs, not suddenly curving 

 dowiiwards Opistoxys, Sim, 



ii. Sternum feinninating behind and sud- 

 denly curving down between the coxal 

 joints of the fourth pair of legs. 



a. Legs long and slender ; tibial 



spines long and stiflF. Sternum 

 terminating in a stout, short, 

 conical point Porhomma, Sim. 



b. Legs short and verj' stout ; tibial 



spines short and fine. Sternum 



terminating in a truncate point. Silaira, Sim. 



B. Eyes larger and much nearer to- 



gether. 



i. Legs short and stout. Eyes of posterior 



row rarely less than one diameter apart, 



usually more. Prominences on which 



are situated the lateral ej'es scarcely 



noticeable Tmeticus, Menge, Sim. 



ii. Legs long and more slender. Eyes of 



posterior row seldom more than one 



diameter apart, usually less. Lateral 



eyes situated upon very distinct oblique 



prominences. 



