1900."! TYSECTS AND ARACHNIDS PROM SOMALILAND. 29 



elevatis instructo, earinis omnibus fere cequilongis, a basi ad 

 tlerfivitatem apicalem e.ctensis ; segmentis 2° 3°que abdominis 

 in medio rufulo- pilosis. Lour/. 19, lat. (ad med. eh/trorum) 

 104 mm. 

 Jfab. CeDtral or East Somaliland (1S97). One example. Type 

 in British Museum. 



Black ; prothorax strongly convex above, and strongly and 

 rather thickly punctured : its sides slightly rounded in the middle 

 and feebly marginate posteriorly, the margins becoming obsolete 

 in front. Elytra depressed along the suture, each with three 

 well-marked carinse reaching from the base to the posterior 

 declivous portion, the intervals between the carinse being rather 

 strongly concave ; the concave sutural area between the innermost 

 carinae is sparsely granular in its anterior half. Femora rugosely 

 punctured. Second and third abdominal segments with a patch 

 of reddish pubescence in the middle. 



Sepidiostexus erinaceus Eairm. 



North Central Somaliland : Bally Maroli in the Haud District, 

 June 25, 1897. Nine specimens, captured in the open plain. 



Sepidium magnum Gahan, sp. n. (Plate I. fig. 12.) 



Pube pallide cervina dense obtain m : prothorace utrinque plaga 

 fubnuda nigra, ehitris rag is elevatis glabris nigro-fuscis, et 

 plagis adspersis cretaceis ; prothorace basi apiceque constricto, 

 lateraliter carinato, carina antice obtusa, pone medium tiuber- 

 cidatim dilatata, disco in medio carinato, antice valde tnber- 

 cidato, tidjerado crasso, apice rotundato supra sulcato-impresso 

 haud bifurcato ; eh/iris ut risque longitudinrditer bi-curinaiis, 

 triiitsversim reticidatimque rugosis. Long. 29-35, lat. (ad med. 

 e&ytrorwn) 12-15 mm. 

 Ilab. Central or East Somaliland (1897). Four examples. 

 Type and co-type in British Museum, co-types in Hope Collec- 

 tion. 



Brownish black, with the head, prothorax, underside, legs, and 

 antenna? thickly covered with a pale fawn-coloured pubescence. 

 Prothorax furnished with a large prominent tubercle, directed 

 obliquely forwards from tin- anterior part of the disc; this tubercle 

 is rounded at the extremity, impressed along the middle with a 

 linear groove, and has on each side a caked ami rugose black patch; 

 from tin- base of the tubercle a median carina runs along the disc 

 to the base of tin- prothorax. I m each side of the prothorax there 

 i> a carina, obtuse in front, Imt more acute and prominent behind 

 tin- middle, there forming a flattened tubercle, behind which the 

 prothorax is abruptly constricted. Elytra each with two longitu- 

 dinal ami more or less sinuous carina), each of which gives off 

 short transverse or reticulating ridges mi both sides, 



This species is one of the largest of the annus, being equal in 

 -i/.i- to > s '. rutpoUi Eairm., from which it differs chiefly in having 



the lateral tubercle of 1 In- prm Imrax placed behind the middle 



