CEEMASTOGASTER. 145 



Head in front striate posteriorly, smooth ; tlie club of the antennae 

 3-jointetl, the basal 'J joints somewhat short. Thorax smooth 

 above, slij^htly flat ; pro-mesonotal suture obsolete, meso-metanotal 

 suture not deeply impressed ; metanotal spines obliquely divergent, 

 somewhat close together at their base. Pedicel: the Ist joint 

 sub-trapezoidal, anteriorly rounded, and not much broader than it 

 is posteriorly, the sides nearly straight ; -the 2nd joint with, a 

 medial groove." 



'' Lenfjth, g 3^ mm." {Emeri/.) 



Bah. Tenasserim (Fea), extending to the Malayan subregion. 



I have been unable to identify this species. 



170. Cremastogaster inflata. Smith, Jour. Linn. Sac. ii (18-57), p. 76, 



pi. 2, iig. -2. 



^ . Head, pro- and mesonotum, coxje, femora and tibiae of the 

 legs, and the posterior half of the abdomen chestnut-brown, the 

 antennae a lighter brown, the metanotum wax-yellow, the tarsi of 

 the legs, the pedicel, and the anterior half of the abdomen above, 

 brownish with a yellow tinge; head, thorax and abdomen smooth 

 and shining, the abdomen minutely and sparsely punctured above ; 

 pilosity none ; pubescence very sparse, thin and short, \\hitish in 

 colour. Head without the mandibles square, the occiput broad, a 

 little broader than the head anteriorly, the cheeks slightly convex ; 

 mandibles rugulose ; clypeus slightly convex in the middle ; 

 antennae moderately thick, the scape just reaching to the top of 

 the head ; no distinct club to the flagellum, but the joints increase 

 in length towards the apex, the apical 4 being the longest and 

 somewhat thick ; eyes lateral, placed about the middle of the head. 

 Thorax short and broad, the pronotum rounded anteriorly, the 

 pro-mesonotal suture indicated, the mesonotum slightly convex ; 

 the meso-metanotal sutui'e distinct : the metathorax enormously 

 swollen and massive, deeply medially emarginate posteriorly, hollow 

 internally, with a septum between the hollow on each side and an 

 orifice at the posterior lateral angle as in C. difformls, but higher 

 up. Pedicel and abdomen as in C. difformis. 



Length, ^ 4-5 n)m. 



Hah. Tenasserim, from Mergui southwards, extending to Borneo, 

 Malacca, Java. 



171. Cremastogaster diflformis, Smith, Jour. Linn. Soc. ii (1857), 



g . Pitch-black, the thorax and legs sometimes dark chestnut, 

 the whole insect finely and closely punctured, subopaque ; pilosity 

 fairlv abundant, pale brown, oblique and soft. Head very broad, 

 broader than long, and broader at the transverse occiput than 

 anteriorly ; mandibles somewhat coarsely longitudinally striate ; 

 clypeus very slightly convex in the middle ; antenna; stout, the 

 scape barely reaching up to the top of the head, club of the flagellum 

 formed by the apical 4 joints, not much thickened ; eyes lateral, placed 



VOL. II. L 



