On Some Smith African Aviculariidae (Arachnida). 103 



Eyes. Anterior row procurved ; laterals mucli larger than medians, 

 oval, and oblique; posterior row recurved, medians slightly smaller 

 than the laterals and touching them. 



Ohelicerae. Inner margin of groove with 9 teeth ; outer margin 

 with 9-10 denticles towards base, the anterior ones being equal to 

 small teeth in size. 



Labiitni. Convex anteriorly, and bearing a few spine-like hairs. 

 Coxae of pedipalps with about 80 teeth, each set in a small circular 

 cup. Kastellum composed of stout spines. 



Sternum, coxae, and legs covered with fine, long dark hairs ; the 

 abdomen also appears well clothed. Posterior sternal sigilla long, 

 oval, opposite 3rd pair of legs, and less than their long diameter from 

 the margin. Tarsi scopulate ; posterior ones coarsely. 



Spines. Tarsi of palps with 2 small spines anteriorly, and 2 along 

 inner side of xmder surface ; tibiae with 8-9 fine spines on under 

 surface. Tarsi spineless. Metatarsus I with 3 apical spines and 2 

 others in line below on outer side of under surface. Metatarsus II 

 the same, with sometimes an extra spine on the outer edge and a 

 mesial spine on the inner edge of the under surface. Tibia I with 0-1 

 spines about the centre of the under surface ; tibia II with 1 spine 

 mesially on under surface ; tibia III short and stout, with 3-4 

 spines on upper anterior surface, and with some setiform spines on 

 under surface. Upper surfaces of patellae III and IV, especially IV, 

 furnished with stout reddish bristles. Anterior side of femur of 4th 

 leg armed apically with spiuule-like bristles, which on the upper edge 

 are reddish in colour. 



Tarsal claws of 4th leg bearing 4 strong teeth at the base on outer 

 side, and 1 tooth and 2 smaller denticles anteriorly on the axial side ; 

 the claws of the 4th leg armed with 5-6 basal teeth on the outer side, 

 and 4 teeth on the axial side distally. 



Measurements. Length (abdomen damaged) probably about, or 

 over, 20 mm. Carapace 7 mm. long, 5'4 mm. wide. 1st leg 18'5 mm. 

 long, 3rd 12'5 mm., and 4th 14 mm. long. 



SPIROCTENUS VALIDUS, Pure. (Plate IX, fig. 5). 



1902. Hermachastes validus, Purcell, Tr. S. Afr. Phil. Sue. vol. 11, 



p. 367. 



1903. Spirocteiius validus, Simon, Hist. Nat. des Amiga, vol. 2, 



p. 907. 



Specimens. Two ^ and one ? , Caledon (No. 150,408). Dr. W. F. 

 Purcell, 7/10. 



