482 Auimh i if lit f tfuiifh African Mn*<'nin. 



the claws those of Anagraphis, whilst the median spinners, as noted by 

 Simon (Hist. Nat. des Araign. 2nd ed., 1897, p. 136), closely resemble 

 those of Bebidix. 



RHAEBOCTESIS TRINOTATUS, u. sp. (Plate XXVIII, fig. 7). 



8inriinris. l ? (B3253, Type), Salisbury, S. Rhodesia (R. W. 

 Tucker, 4/17). 2$ ? (B 4486)! Florida, Transvaal High Veld (R. W. 

 Tucker, 12/18). 



Colour. Carapace dark brown: legs slightly lighter; tarsus IV 

 with median light, band ; dorsal surface of abdomen cinereous black, 

 under surface lighter; sternum median brown, coxae lighter. 



Carapace. Width across the ocular area just over -} the greatest 

 width ; surface clothed with fine dark appressed hairs. Clypeus much 

 narrower than the diameter of an anterior lateral eye. 



Maxillae. Resembling those of Drassidae, particularly The tuna. 



Eyes. Seen from above the anterior row is straight to slightly 

 recurved ; lateral eyes slightly larger than the medians ; medians 

 almost touching the laterals, but slightly more distant from each 

 other. Posterior row straight and wider than the anterior row ; 

 laterals larger than the medians, and about the same size as Hie 

 anterior laterals; medians oblique, pearly, and subangular, and nearer 

 to each other than to the laterals. 



Median ocular area wider posteriorly and slightly longer than wide. 



Sternum. Broad oval, slightly longer than broad. 



Legs. In order of length 4, 1, 2, 3. Tarsus and metatarus of 1st 

 leg scopulate to base; also scopular hairs anteriorly on inner side of 

 the tibia. Tarsus II scopulate ; metatarsus less densely so ; meta- 

 tarsus I with 1 basal spine, II with 2 basal spines ; tarsus III with 

 scopula of bristly hairs, metatarsus with only a few scopular hairs. 

 Tarsus IV with a coarser scopula,* metatarsus with bristlv hairs, 

 especially anteriorly on the under surface. Tarsi not spined. Posterior 

 legs more heavily spiued than the anterior. 



Pcdipalps. Tibia longer than patella ; tarsus slender and bearing 

 apical toothed claw. 



Chelicera. Bearing " tache basale " ; inferior border of groove with 

 2 strong teeth, superior border with 3. 



Abdomen. Lung opercula distinct, and well marked ; also a trace 

 of a ventral t radical stigma anterior to the spinners. 



Spinners. As in Text-fig. 142, p. 137, Hist. Nat. des Araign., 2nd ed. 



Vulva. As ill figure; 2 distinct lateral cavities and :! small hooded 

 pockets. 



M en gnreme tits. Carapace 2 75 mm. in length ; total length 7 mm. 



