1899.] AND SPIDERS FEOII TEOPICAL WEST AFKICA. 875 



between medians and laterals ; eyes of anterior line with superior 

 edges on a level, the laterals nearly twice the diameter of the 

 medians, at all events much larger ; ocular quadrangle longer than 

 wide, parallel-sided, the anterior eyes considerably larger than the 

 posterior and closer together. 



Mandibles weakly geniculate basally ; inferior edge with 4 teeth 

 behind, 2 in front. 



Legs 2, 1, 3 and 4 ; 2nd excelling 1st by length of its tarsus ; 

 spine-armature as in T. occidentalis, but A^-ith anterior spine on all 

 the patellae and a posterior on all the patellae but that of 4th leg. 



Vulva as in occidentalis, consisting of an anterior central depres- 

 sion followed by a pair of subcircular lobes separated in the middle 

 line by a median groove (Plate LVIII. fig. 30 d). 



S . Resembling $ , but less vividly coloured and with longer legs ; 

 carapace equal to length of tibia of 3rd leg ; palpal organ as in figure 

 (Plate LVIII. figs. 30 6-30 c); the tibia with a pair of strong sub- 

 equal external spurs. 



Measurements in millimetres. — $ . Total length 18 ; length of 

 carapace 8, of 2nd leg 36, 4th leg 28. 



c? . Total length 16o ; length of carapace 8, of 2nd leg 42, of 

 4th leg 33. 



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



This species and the foregoing may be at once distinguished as 

 follows : — 



a. Larger, up to 30 mm. or over ; anterior median eyes 

 scarcely smaller than anterior laterals ; sternum black ; 

 coxse of Ist and 2nd legs deep blackish brown; femora 

 with exception of the 1st, which has a black basal 

 spot, yellowish red beneath occidentalis Sim. 



h. Smaller, barely 20 mm. in length ; anterior median eyes 

 much smaller than anterior laterals ; sternum testa- 

 ceous ; coxae of 1st and 2nd legs infuscate only in 

 front ; femora of legs, especially of Ist and 2nd pairs, 

 ashy black beneath variata, s^. n. 



Genus Eemmius Simon. 



Remmius tultuosus Simon. 



Remmius vultuosus, Simon, Ann. Soc. Ent. France, 1896, p. 484. 



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



? Remmius tuipinus Simon. 



Remmius vulpinus, Simon, Ann. Soc. Ent. Prance, 1896, p. 485. 



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



A single immature female doubtfully referred to this species. 



Genus Spaeassus Latr. 



Spaeassus BE^riTENSis, sp. n. (Plate LVI. figs. 12, 12 a & 

 Plate LVIII. fig. 27.) 



$ . Colour of carapace a uniform ochre-yellow, clothed with 



