IRIDOMYRMEX. 



a round gibbosity somewhat similar to the shape of the metanotum 

 in the genus Myrmecocystus. Node of the pedicel broader than 

 long, slightly inclined to the front, flat anteriorly and posteriorly. 

 as thick above as at base, and rounded above ; abdomen broadly 

 oval, only slightly convex above. 



Lenyth, 3-5-4*5 mm. 



Hab. Spread through India except in the North-west Provinces 

 and the Punjab; Ceylon (Yerbury, Green); Assam (Smythies) : 

 Burma, Tenasserim (Fea, Bingliam) ; extending through the Malayan 

 sub-region to Java. 



The specimens from Sikkim are larger (4-5 mm.), and the 

 specimens from Burma of a duller colour with very little or no 

 refulgence. The latter variety has been separated* as var. wat- 

 xoni, Fore). 



339. Iridomyrmex glaber, Mayr (Hypoclinea), Verb, sool.-bot. Ges. 



Wien, xii (1862), p. 70o, 3 ; Ford, Jour. Bomb. N. H. Soc. 

 ix (1895), pp. 467 & 468, $ . 



. Black, highly polished and shining, with, in certain lights, 

 brilliant metallic refulgence, antennae and legs castaneous brown : 

 almost destitute of pilosity or pubescence. Head proportionately 

 broader and with the sides more convex than in /. anceps ; 

 mandibles triangular, slightly convex, punctured and pilose ; 

 clypeus slightly convex, with the middle portion anteriorly flat ; 

 eyes placed lower down than in /. anceps. Thorax comparatively 

 broad, laterally slightly compressed, the pro-meso- and rneso- 

 metanotal sutures deep and well-marked ; in profile the thorax- 

 slopes slightly backwards, the pronotum is a little raised above 

 the meso- and metanotum, the latter two fairly level, somewhat 

 flat above, the apex of the metanotum obliquely truncate ; legs 

 somewhat short and robust. Node of the pedicel as broad as the 

 metanotum, very slightly inclined forward, slightly convex, an- 

 teriorly and posteriorly rounded above and laminate ; abdomen 

 oval, proportionately longer than in /. anceps. 



Length, $ 2-2-5 inm. 



Hab. Western India ( Wrought on) ; Burma (BingJiam); Aus- 

 tralia. 



The specimens from Burma were procured at Bhamo and at 

 Maymyo, 3000 feet. They are slightly more slender in form, with 

 the head a little broader and the mandibles shorter. 



340. Iridomyrmex laevigatus, Emery, Ann. Mu*. Civ. Gen. xxxiv 



(1894), p. 475, $ ; Ford, Jour. Bomb. N. H. Soc. ix (1895), 



p. 468, $. 



$. Fuscous brown, the antennae, thorax beneath and legs 

 slightly paler, the whole head, thorax and abdomen pilose and 

 pubescent, especially the abdomen. Head sub-cordate, the occiput 

 widely emarginate, the posterior lateral angles prominent but 



