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Show 1899.] AND SPIDERS F R O M TROPICAL WEST AFRICA. 845 slightly exceeding the length of the outer surface of the femur the 4th leg. Legs 4, 1, 2, 3; 4th exceeding the 1st by rather more than the length of its tarsus ; patella and tibia of 4th a little longer than of 1st (24: 22) ; 4th leg strong, but the patella and tibia narrower than the femur; width and height of patella about equal, but barely equal to half the length measured along the upperside; tibia lightly convex above, its width a little greater than one third of its length and a little less than its height; protarsus longer than tibia (15*5 :13*5); femur of 4th leg very robust, its height exceeding one third of its length. Measurements in millimetres.-Total length 53 ; length of carapace 24, width 20; .length of 1st leg 55, of 2nd 49, of 3rd 4, of 4th 65 ; length of femur of 4th leg 18*5, height 7 ; length of the tibia 13*5, height 5. Loc. Benito Biver (G. L. Bates). The subjoined table will show how this species may be distinguished from the rest of the species of Hysterocrates known to m e : - a. Width of tibia of posterior leg equal to that of femur; tarsus of palp more tumid above at base crassipes Poc. b. Width of tibia of posterior leg much less than width of femur ; tarsus not tumid above at base. a1. Carapace long ; area between ocular tubercle and posterior median emargination exceeding the width ... gigas Poc. b1. Carapace wider, its width equal to the area between the tubercle and the posterior emargination. a1. Femur of 4th leg slender, its height barely one third of its length. a*. Hairy clothing of legs reddish brown; 4th leg thickened, the tibia almost as thick as the femur, laticeps Poc. b3. Hairy clothing deep olive-brown ; 4th leg unmodified, the tibia much thinner than the femur hercules, sp. n. b2. Femur of 4th leg stout, its height considerably exceeding one third of its length robustus, sp. n. Family BARYCHELIDCE. Genus CYPHONISIA Simon. CYPHONISIA OBESA Simon. Cyphonisia obesa, Simon, Act. Soc. L. Bordeaux, xiii. p. 409 (1889). Loc. Benito Biver (G. L. Bates). Two immature specimens probably referable to this species, which was recorded from the Bio Quiliou (Congo). Family DIPLURIDCE. Genus HETEROTHELE Karsch. Heteroihele, Karsch, SB. nat. Fr. Berlin, 1879, p. 64 ; Pocock, Proc. Zool. Soc. 1897, p. 736. PROC. ZOOL. Soc-1899, No. LV. 55 |
