. Coleoptera : general introduction and Cicindelidae and Paussidae. TlilCONl) YL A. 281 of the elytra. Its nearest allies are T, tuberculata and T. gestroi;from the former of these the last mentioned character willcertainly distinguish it, bat in the only specimen of T. gestroiwhich I have seen, and which was determined by Gestro him-self, the punctuation is quite as strong at the apex as in T. mellyi,and apart from its smaller size and the stronger sculpture ofthe elytra, which is more confluent near the suture in and aboutthe middle, it would be hard to separate it from the last-namedspecies
. Coleoptera : general introduction and Cicindelidae and Paussidae. TlilCONl) YL A. 281 of the elytra. Its nearest allies are T, tuberculata and T. gestroi;from the former of these the last mentioned character willcertainly distinguish it, bat in the only specimen of T. gestroiwhich I have seen, and which was determined by Gestro him-self, the punctuation is quite as strong at the apex as in T. mellyi,and apart from its smaller size and the stronger sculpture ofthe elytra, which is more confluent near the suture in and aboutthe middle, it would be hard to separate it from the last-namedspecies. 60. Tricondyla gestroi, Fleut. Tricondyla gestroi, Flentiaux, Ann. Soc. Ent. France, 1893, p. mellyi, Gestro (nec Chaud.), Ann. Mus. Genova, 1893,p. 370. Nigro-violaceous, black or cyaneous black; closely allied toT, tuberculata, but a little more shining, with the orbital stria?scarcely marked, and the pronotum more gibbous and less grad-ually contracted in front; the elytra are more abruptly and less. Fig. 125.— Tricondyla gestroi. gradually narrowed in front, and the widened and convex partbehind is therefore more distinct; the sculpture of the middlepart is deeper and stronger, but the difference is not very apparent;femora red, tibiae and tarsi dark 18-19 millim. Assam: Sylhet; Burma: Karen-ni; Cochin China. 282 CIOIJTDELTI)^. Genus DEROCRANIA. Derocrania, Chaudoir, Bull. Soc. Moscou, 18C0, pp. 284 & 29?W. Horn, Spol. Zeyl. 1904, p. 39. Type, Derocrania clohrni, Chaud. ( = scitiscabra, Walk.). The insects belonging to this genus are smaller and more slenderthan those belonging to the genus Tricondyla, some of them being-very delicate. The resemblance to ants of various species is verystriking; in many characters they closely resemble Tricondyla, butmay be known by having the head between the eyes less exca-vate, and in several cases level, smooth, and even slightly convex,and the vertex more or less strongly strangulate behind, withoutthe pa
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