OCR Text |
Show 1899.J AND SPIDERS FROM TROPICAL WEST AFRICA. 839 SCODRA FUMIGATA, sp. n. 2 • Colour. Carapace and upperside of mandible clothed with bright, almost mustard-yellow or greyish-yellow hairs ; upperside of femora and patella? of palpi and anterior legs olive-yellow; tibiae with a basal greyish-white patch and two short median lines ; protarsi and tarsi with median black patch; setae on the limbs greyish ; the upperside of the fringes bordering the leg-segments greyish brown ; upperside of abdomen greyish brown, with symmetrically disposed darker patches and bars ; the entire underside of legs and palpi, excepting the scopulce, of abdomen, coxae, and sternum deep sooty-black ; circumoral hairs crimson. Thoracic fovea deep and subcircular ; carapace distinctly shorter than patella and tibia of 1st leg, and stouter by one third of the protarsus than the tibia aud protarsus of this limb ; less also than patella and tibia and than tarsus and protarsus of 4th. Legs 4, 1, 2, 3 in length ; patella and tibia of: 4th a little greater than of 1st, 4th leg about three times as long as the carapace; segments of legs thickly fringed. Measurements in millimetres ( 2 type).-Total length 44 ; length of carapace 21, width 18 ; length of 1st leg 60 (patella + tibia 23), 2nd leg 58 (patella 4- tibia 22), 3rd leg 53 (patella + tibia 9), 4th leg 64 (patella 4- tibia 23*5, protarsus 16). Loc. Benito Biver (G. L. Bates). The distinguishing characters of the females of the known species of the genus Scodra may be re-stated as follows :- a. Carapace longer than patella + tibia of 1st leg and as long as tibia -j- protarsus of this limb brachypoda Poc. b. Carapace shorter than patella -\- tibia of 1st leg and shorter than the protarsus and tarsus of this limb by one third of the protarsus. a1. 4th leg longer than 1st and about three times as long as the carapace ; patella 4- tibia of fourlh a little longer than those of 1st; tibia? of legs sooty black below fumigata sp. n. b\ 4th leg shorter than 1st and much less than three times as long as carapace ; patella + tibia of 4th much less than those of 1st; tibia? not sooty black below. a2. Lower and inner surface of femora of palp and of first pair of legs greyish or yellowish brown ; seta? yellowish brown griseipes Poc. 52. Lower side of femora of all the legs and inner surface of femora of palp and 1st and 2nd legs sooty black ; bristles on legs foxy red calceata. Genus HETEROSCODRA, nov. This new genus and Scodra, its nearest ally, may be diagnosed as follows:- a. Fourth leg thinner than first; the tibia of 4th thinner than patella and femur, the height and width of the tibia about one quarter the length Scodra Becker. b. Fourth leg thicker and stronger than 1st; the tibia thick, its height a little exceeding the height of the patella, equal to that of the femur, and about one half the length of the tibia Heteroscodra, nov. |