On 8oiin.' 8otith African Avic.nlariidae (Arachnida). 119 



narrower posteriorly. Posterior medians very small, and touching 

 laterals, which are long oval and oblique, and situated in a recurved line 

 with the anterior medians, and a procurved line with posterior medians. 



Spinners. Two only. (As in Fig. 110, p. 117, Simon, Hist. Nat. 

 des Araign. vol. 1, 1892.) 



Sternum. As broad as long; bearing stiff black hairs, especially 

 on posterior borders. Three pairs of sternal sigilla ; small, marginal, 

 equal in size and opposite 1st, 2nd and 3rd coxae respectively. 



Labiuin quite twice as wide as long, and bearing 4 apical teeth. 

 Coxae of pedipalps with a small basal patch of 15-20 teeth. 



Ghelicerae. Clothed with moderately long hairs; rastellum not 

 prominent, composed of a row of very slender spines which are longer 

 on internal border. A single row of 9 strong, teeth on inner border 

 of groove, and a patch of denticles in the basal portion of the groove, 

 itself. Hairs around mouth parts long and copper-red in colour. 



Legs. Tarsi with 110 clavate hairs on upper surface; scopulae entire 

 on under surfaces, and each divided by a band of setae which is faint 

 in the 1st leg, and progressively stronger and wider to the 4th leg. 

 Metatarsi I and II scopulate and with a faint trace of setae down 

 centre; metatarsus III faintly scopulate over distal *,-\ of its length; 

 metatarsus IV over distal .V only; each with a line of long strong 

 setae extending beyond the scopulated portion. Tarsi I and II length 

 of their metatarsi, III and IV \ or slightly less. 



Spines. Tarsi spineless. Metatarsus I spineless ; metatarsus II with 

 1 or 2 spines basally on under surface; metatarsi III and IV armed 

 with long strong spines. Patella, III with 3 spines ou anterior surface 

 and 1 on posterior; rest of surface covered with strong bristly hairs; 

 other patellae spineless. Tarsal claws with a single tooth situated 

 anteriorly in the bend of the claw ; claws longer than the fascicles. 



Pedipalps. Tarsus scopulated and divided by a line of setae ; tibia 

 weakly spined below. 



Measurements. Chelicerae to end of abdomen, 15 mm. Carapace 

 6'2 mm. long, 5 mm. wide. Legs, in order from 1-4, approximately 

 14, 13, 13, and 17 mm. in length. 



FAMILY. DIPLURIDAE. 

 GEN. THELECHORIS, Karsch. 



This genus has been made synonymous with Ischnothele (see Simon 

 Hist. Nat, des Araign. 2nd ed. vol. ii, pt, 4, 1903, p. 968) ; from 

 material now to hand it would appear that the synonymy is not valid, 

 and T/K'liT/HH-ix is perfectly distinct from Ischnothele. It seems that 



