OCR Text |
Show 1902.] NEW HARVEST-SPIDERS. 401 Measurements in mm.:-Total length 5 ; palpi 2'5 ; 1st lee 5, 2nd 9, 3rd 6, 4th 9. L og. Tasmania. A single specimen received from Mr. G. W. Peckham. Certainly differing from T. bicarinatus Sorens. (Arachn. Austral., Opiliones, 1886, p. 60), from Sydney, in the strong spine-armature of the legs of the 1st pair. Sorensen, moreover, gives the tarsal segments as 3, 5, 3, 3. Family AD;EiD.E. Genus A d ,eum Karsch. Karsch, Zeits. ges. Naturw. liii. p. 403 (1880); Loman, Zool. Jahrb. xi. Syst. p. 525 (1898). A d /Eum a r e o l a tu m , sp. n. 3 . Colour yellowish brown, generally obscured by the mud or mould adhering to the granules. Dorsal scute with anterior border convexly rounded and thickly beset with cylindrical papillae ; ocular tubercle thickly granular, convexly rounded on the summit; behind the tubercle are two parallel rows of tubercles extending to the posterior border of the scute and forming segmental excrescences; midway between these and the lateral border is another irregular band of granules extending from the antero-lateral angle; there are also narrow transverse rows of granules extending across the scute from side to side and passing between the submedian granular excrescences; the interspaces between and defined by the bands of granules form subquadrate smooth depressed areas. The posterior border of the scute and of the three following tergites with a row of papilliform tubercles ; the rest of the tergal plates thickly granular. Sterna granular anteriorly. Coxce thickly granularly papillate. Genital sternum with seven long hair-tipped papillae. Sternum of cephalothorax, the adjacent area of the 3rd coxa and the maxillary process of the 2nd coxa forming a smooth and shining depression flanked on each side by the papillae arising from the coxae. Mandibles with basal segment granularly tubercular above, with one or two longer papillae distally; second also with some sharp tubercles in front. Palpi thicker than the legs, thickly granular; the femur at the base on the inner side with four strong spines and one more distal, and beneath with one smaller and three strong spines, and one strong spine on the inner side inferiorly; tibia, patella, and tarsus subequal in length; the tibia without distinct and large paired spines beneath ; tarsus with three pairs of longer spines in addition to the tubercles ; claw short. Legs tubercular and granular, unspined, even the femur of the 1st hardly spined below; some longish cylindrical papillae on the outer side of the 2nd and 4th coxae; tarsal segments 4, 11, 4, 4. $ . D iffe r s from 3 in th a t th e papillae on th e ante r ior border o f th e carapace are sh or ter and fo rm a median angu la r p rojection ; P ro c . Z o o l . Soc.- 1902, V o l . II. No. X X V I. 26 |