1899.] AND SPIDERS FROM TROPICAL WEST AFRICA. 861 



^THRODES, gen. nov. 

 Allied to Arancethra, but differing in the following particulars : — 



a. Four median eyes elevated on a rounded tubercle : lateral 

 eyes also on a tubercle ; clypeus equal in height to half 

 the length of the ocular quadrangle, which is longer than 

 broad; abdomen only ovei-lapping the posterior third of 

 the carapace up to the median tubercle, its anterior and 

 lateral margins armed with smooth rounded tubercles; its 

 upper surface furnished with about a dozen symmetrically 

 arranged various-sized tubercles Mthrodes, 



h. Ocular tubercles low, ocular quadrangle slightly wider than 

 long ; clypeus very low, less than half the ocular quadrangle ; 

 abdomen overlapping the posterior two thirds of the 

 carapace, armed marginally with strong spines, without 

 tubercles above Arancsthra. 



^THRODES MAMMOSA. (Plate LV. tig. 2.) 



Colour of abdomen a nearly uniform ochre-yellow; cephalothorax 

 darker. 



Abdomen twice as broad as its median length ; its anterior border 

 sinuous, mesially emarginate, armed with seven tubercles, not 

 including the large tubercle on the antero-lateral angle ; a large 

 tubercle on the postero-lateral angle and t\\o smaller lateral 

 tubercles in front of it ; the posterior border widely convex, with a 

 series of vertical tubercles just above it and one pointed posteriorly 

 close to the large postero-lateral tubercle ; the sigilla deeply im- 

 pressed and mostly subcircular; tubercles arranged as shown in 

 Plate LV. fig. 2. 



Vulva consisting of a semicircular depression in front and a 

 narrow transverse plate above the genital aperture. 



Measurements i7i millimetres. — Length of abdomen 12, width22"5 ; 

 length and width of carapace 7 ; length of 1st leg 18. 



Loc. Benito River {G. L. Bates), 



Tetra&natha Latr. 

 Teteagnatha clavigera Simon. 



Tetragnatha clavigera, Simon, Ann. Soc. Ent. Fr. 1887, p. 272. 

 Loc. Benito Biver (G. L. Bates). 



One female specimen referred to this species, recorded by Simon 

 from Assinie. 



Family Oxyopid.e. 

 Grenus Peucetia Thorell. 

 Peucetia liONGiPES, sp. n. (Plate LVII. fig. 17.) 



Colour (in alcohol). Carapace pale green, thoracic portion som.e- 

 times tinted with brownish, a few black spots marking the position 

 of sette on the head ; side of head with an indistinct or distinct 

 vertical fuscous stripe running to the basal spot on the mandible 

 and continued as a short stripe on the upper part of that appen- 



Proc. Zool. Soc— 1899, No. LVI. 56 



