194 formicida:. 



slifrhtly convex, posteriorly truncate ; 2nd node from above quad- 

 rate, about as broad as long, not petiolate ; abdomen very convex 

 above, broadly oval, sligbtly truncate anteriorly. 



So far only one species bas been recorded from within our 

 limits. 



224. Pristomyi'mex brevispinosus, Emeni, Ann. Mm. Civ. Gen. xxv 

 (1887), p. 451 ; id. luc. cit. x.wii (1889), p. 500; id. lot: cit.xxxh 

 (1894), p. 464. 



^ . Head and tliorax yellowish brown ; antennic, legs, pedicel 

 and abdomen pale yellow. Pilosity sparse, entirely wanting on the 

 abdomen. Head and thorax coarsely cribrately punctured, the 



Fig. 71 . — Piisfo„ii/r„ie.v /iirv/s^nnusitK, ^ . 



punctures sometimes confluent : antennae, legs, pedicel and abdo- 

 men smooth, polished, shining. Head orbicular, constricted 

 posteriorly; the sculp^ure on the thorax sometimes confluent. 

 Eor the rest the characters of the genus. 



Lenqth, $ 3-5-4-7o nun. 



Hah. The Burma hills above 4000 feet {Fea\ extending to 

 Sumatra. 



Professor Emery has separated the Ivarennee form as a sub- 

 species, P. hrevispinosus subsp. sulcalus. It is slightly Inrger than 

 the typical species, has the spines on the pronotum shghtly 

 longer, and the punctures on the head and thorax running into 

 sulcations. 



Genus LOPHOMYRMEX. 



Ocodonia, pt., Jerdon, Madr. Jour. L. S. xvii (1851), p. Ill, ^ . 



Pheidolo,' pt., Smith, Cat. vi (1858), p. 174. 



Lophomyniiex, Lmery, Ann. Mus. Civ. Gen. xxii (1892), p. 114. 



Type, L. quculrispinosus, Jerdon, from Malabar. 



Ran</e. ludo-Malyan region. 



$ . Kesembles Phidole lu general appeai-ance, but differs in the 

 shape of the thorax ; seen from the front the ])ronotum rises high 

 above the head, being flat anteriorly and on the to]) ; the anterior 

 lateral angles are, in^he typical species, furnished with divergent 

 horizontal short spines or teeth; the pro-mesonotal suture lying 

 immediately behind the flattened top of tht; pronotum is almost 



