| OCR Text |
Show 1900.] INSECTS AND ARACHNIDS FROM SOMALILAND. 57 the middle of the ocular tubercle. Terga closely and finely granular throughout. Inferior keels of'2nd and 3rd caudal segments strongly dentate. Hand smooth, with a pair of weak and weakly granulate crests on its upperside. Total length 50 mm. Loc. Zeyla in North-west Somaliland (E. W. Oates). In British Museum. BUTHUS CALYICEPS POC. Cf. supra, p. 54. BUTHUS ACUTECARINATUS Simon. Buthus acutecarinatus, Simon, Ann. Mus. Genova, xviii. p. 245, pi. viii. fig. 18 (1883). Loc. Zeyla (E. W. Oates). In British Museum. Occurs also in Egypt and Arabia. BUTHUS POLYSTICTUS Poc. Buthus polystictus Pocock, Ann. Mag. Nat. Hist. (6) xviii. p. pi. xi. fig. 1 (1896). Goolis Mountains in Somaliland (E. Lort Phillips). In British Museum. BUTHUS EMINI Pocock. Buthus eminii, Pocock, Ann. Mag. Nat. Hist. (6) vi. p. 98 pi. i. tig. 2 (1890) ; id. op. cit. (6) xviii. p. 179 (1896). Loc. Aimcea in the Boran Country, 3000 ft. (A. Donaldson Smith). In British Museum. This species and perhaps also B. polystictus may prove to be subspecies of B. trilineatus Peters, described from Tete. The species and subspecies of Buthus mentioned above may be diagnosed as follows :- a. Inferior lateral keels of 5th caudal segment posteriorly lobate ; inferior median keels of 2nd and '3rd with the granules enlarged towards the posterior end. a1. Carapace without distinct median, lateral, and posterior keels, inferior keels on 4th caudal segment obsolete b1. Carapace with distinct median posterior aDd lateral keels, the posteriors turning outwards and uniting with the laterals, inferior keels on 4th caudal segment developed a2. Legs, chelse, and body uniformly yellow, not lined with black ; intercarinal ocular area closely granular b2. Chelae and body with black-lined keels, femora of legs distally infuscate ; patellar also infuscate basally and along keels ; frontal area of carapace sparsely granular in the middle calviceps. occitanus. subsp. zeytensis. subsp. berberensis. |
