XETRAMORIUM. ATOPOMYBMEX. 189 



sides, the outlines of which seen from above are waved ; sutures 

 obsolete; rnetanotal spines short, sub-triangular, acute, pointing 

 obliquely back. Pedicel elongate ; 1st node broader than long, in 

 some specimens as broad as long, an elongate petiole anteriorly ; 

 2nd node transverse, broader in front than posteriorly ; abdomen 

 oval. 



Length, 2" 5 mm. 



* ffab. Bengal, Western and Southern India. Not recorded from 

 Ceylon, Assam, or Burma. 



221. Tetramoriuin belgaense, Forel. 



Tetramorium (Xiphomyrmex) belgaense, Forel, Rev. Sitisse Zoul. x 

 (1902), p. 238, $. " 



$ . Head, thorax and pedicel chestnut-red, abdomen black, 

 mandibles, antennae and legs reddish yellow; head, thorax and 

 pedicel coarsely longitudinally striate, reticulate and rugose, sub- 

 opaque, but the striae shining in certain lights ; abdomen smooth, 

 shining and polished ; pilosity abundant, obtuse, reddish on the 

 head and thorax, black on the 1st abdominal segment above and 

 yellowish on the apical segments of the abdomen. Head a little 

 longer than broad, transverse posteriorly, the sides above the eyes 

 somewhat straight, below the eyes slightly convex ; mandibles 

 broad, triangular ; clypeus convex in the middle, posteriorly broadly 

 rounded, anteriorly only slightly advanced, the margin bent inwards ; 

 antennal carinae wide apart ; antennal grooves placed above the 

 eyes, diverging posteriorly ; antennae short, the scape not reaching 

 the top of the head ; eyes large, placed about the middle of the 

 sides of the head. Thorax short and somewhat broad ; the prono- 

 tum vertical, forming no part of the dorsum ; the mesonotum and 

 scutellum broad, slightly convex ; the metauotum with the basal 

 portion very short, sloping posteriorly, the apical portion concave, 

 smooth and polished, metanotal spines tolerably long, stout and 

 acute. Pedicel short ; the 1st node cubical, petiolate in front, 2nd 

 node transversely oval ; abdomen broader in front than posteriorly, 

 convex above. 



Length, $ nearly 4 mm. 



Hob. Western India, Belgaum ( Wrouyliton). 



Genus ATOPOHYRMEX. 

 Atopomyrmex, Er. Andrt, Rev. <TEnt. viii (1889), p. 226. 



Type, A. mocquerysi, Andre, from Africa. 



Range. Ethiopian and Indo-Malayan regions. 



. Head nearly square, very slightly constricted anteriorly, the 

 sides lightly arched and the posterior lateral angles rounded ; 

 mandibles robust, rather narrow, with the masticatory margin short 

 and obtusely dentate; clypeus large, triangular, flat on the disc 

 and anteriorly slightly sinuate in the middle ; antennal carinae 

 short, not prominent ; frontal area triangular, distinct, as is also 



