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Show 1897.] MR. R. I. POCOCK ON ETHIOPIAN SPIDERS. 759 Legs: tarsal scopulae entire ; protarsal scopulae also undivided, except partially so on tbe 4th, on the 1st and 2nd legs extending practically to the base of the segment; covering about two-thirds of the segment in the 3rd leg and half in the 4th ; legs unarmed except for a pair of spines at the tips of the tibiae and protarsi beneath ; length 4, 1, 2, 3 ; patella and tibia of 4th about equal to those of the 1st; claws unarmed. Spinners considerably more than half the length of the carapace. Tibia of o* armed with a single spine-tipped tuberculiform process. MONOCENTROPUS BALFOURI, sp. n. (Plate XLI. figs. 1-1 a.) Colour. Carapace covered with olive-yellow pubescence, showing a pinkish tinge towards the margin; legs covered with olive-brown hairs; the base of the femora and upperside of the trochanters greyish white; the lower side of the femora clothed with whitish or yellowish-white hairs and contrasting very forcibly in colour with the chocolate-brown tint of the coxae and of the segments on the distal side of the femora; abdomen furnished with long greyish-red hairs at the side, black beneath. Carapace moderately convex, its cephalic area not strongly elevated; a little longer than the 4th protarsus, shorter than patella and tibia of 4th leg. Eges not very unequal in size; the anterior medians if anything the smallest, distinctly smaller than the anterior laterals, and separated by a space that about equals their diameter, a little nearer to the anterior laterals ; a straight line touching their front borders cutting near the centres of the laterals; posterior median about as large as the posterior lateral and closer to it than to the median. Tibia of 3 armed with a low tuberculiform process beset with two tufts of rigid lanceolate spines ; the lower surface of the anterior two pairs of femora as well as the femur of the palp furnished externally with long thickly-set hairs, tibia of palp also thickly hairy below ; tarsus of palp apically thickly scopulate; the bulb globular, the lightly arcuate spine rising abruptly from its posterior portion (see figure). Measurements In millimetres. Total length 34 ; length of carapace 16, width 13 ; length of 1st leg 50, of 2nd 47, of 3rd 45, of 4th 53; patella and tibia of 1st 18-8, of 2nd 16-5, of 3rd 15, of 4th 18. Loc. Socotra. A single adult male example (/. B. Balfour). Genus ANOPLOSCELUS, nov. Carapace oval, much longer than wide; the fovea deep and transverse; ocular tubercle moderately elevated, close to edge of carapace; the anterior line of eyes very nearly straight, only slightly procurved. Legs without spines except at the extremities of the tibiae and protarsi; the 1st protarsus scopulate almost to the base, 2nd with |