CREMASTOGA8TER. 145 



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

 3-jointed, the basal 9 joints somewbat short. Thorax smooth 

 above, slightly flat ; pro-mesonotal suture obsolete, meso-metanotal 

 suture not deeply impressed ; metauotal spines obliquely divergent, 

 somewhat close together at their base. Pedicel: the 1st joint 

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

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

 medial groove." 



'"Length, $ 3% mm." (Emery.) 



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



I have been unable to identify this species. 



170. Cremastogaster inflata, Smith, Jour. Linn. Soc. ii (1857), p. 76, 



pi. 2, fig. 2. 



. Head, pro- and mesonotum, coxae, 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, whitish 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 suture 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. diffbrmis, but higher 

 up. Pedicel and abdomen as in C. cliff ormis. 



Length, 4-5 mm. 



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

 Malacca, Java. 



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



p. 76, . 



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

 the whole insect finely and closely punctured, subopaque ; pilosity 

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

 broader than long, arid broader at the transverse occiput than 

 anteriorly ; mandibles somewhat coarsely longitudinally striate ; 

 clypeus very slightly convex in the middle ; antennae 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 



