PHIDOLE. 253 



as broad as long, the sides cone-shaped ; abdomen somewhat 

 depressed and coarsely longitudinally striate from end to end. 



$ . Dark castaneous brown, shining, pilosity as in the I/ ; 'head 

 oval, smooth, very broad across the eyes, the occiput rounded - 

 antennae long, the scape extending beyond the top of the head. 

 Thorax elongate, broad anteriorly, pronotal tubercles absent, trans- 

 verse mesonotal furrow shallow; metanotal spines short, erect 

 acute, basal portion longer than the apical porrion, the latter 

 oblique ; the meso- and rnetanotum closely punctured, striate on 

 the sides. Pedicel smooth, with the 1st node seen from above 

 rectangular, raised posteriorly; the 2nd node twice as broad, 

 rounded above; abdomen dull and opaque, striate in certain 

 lights. 



Length, I/ (j-6'3 ; 275-3 mm. 



Hob. Throughout the hills of Burma andTenasserim(#mr/7w). 



287. Phidole striativentris, Mai/r, Verh. zool.-bot. Ge.s. Wien xxviii 

 (1878), p. 678, I/ ; Forel, Rev. Suisse Zool. x (1902), pp. 179 & 

 195, }/ J; id. Jour. Bomb. N. H. Soc. xiv (1902), pp. 534 & 

 544. 



I/ . Head and thorax chestnut-red ; abdomen brown posteriorly, 

 chestnut-red at base ; head, thorax and abdomen covered wirh a 

 soft, rather long, red pilosity, most dense on the abdomen. Head 

 rectangular, the sides rather convex, longitudinally and somewhat 

 coarsely striate, transversely on the front of the lateral lobes, 

 breaking into reticulations on the apex ; vertex with a very distinct 

 transverse depression, the occipital emargination deep; mandibles 

 smooth, punctured ; clypeus with a depressed medial portion, 

 which is obliquely striate ; antennal caring very short ; antennal 

 grooves shallow but distinct, finely and delicately sculptured 

 within ; scape of the antennae extending for a little more than 

 half the distance from its insertion to the top of the head. 

 Thorax rather short, transversely striate; pronotura convex in 

 front, only very slightly laterally tuberculate ; mesonotum sloping 

 obliquely back, the transverse groove shallow : metanotum short, 

 broad, the basal and apical portions subequal, the metanotal spines 

 comparatively large and acute. Pedicel short: the 1st node 

 cuneate, transverse above, without any appendix beneath ; 2nd 

 node punctured, twice as broad as long, laterally cone-shaped ; 

 abdomen anteriorly finely and closely striate, in certain lights 

 reticulate and opaque, posteriorly shining. 



$ . Light brown, smooth and shining ; antenna) and legs 

 yellowish brown ; abdomen sometimes with the base yellowish 

 brown and the apical two-thirds very dark brown. Head oval 

 with a distinct posterior margin ; scape of the antenna) extending 

 only about one-fourth of its length bevond the top of the hn.-id. 

 Thorax in profile slightly bi-emarginate; the pronotum laterally 

 tuberculate, the basal portion of the metanotum long, laterally 

 bidentate. Pedicel : the 1st node comparatively small, its upper 



