PHIDOLE. 229 



and the top of the head ; tlagelluui with the club formed of 4 

 subequal joints. Thorax anteriorly rounded, without lateral 

 tubercles ; transverse mesonotal groove and ridge well-inarKed ; 

 meso-metauotal suture wide and deep ; metanotum with its basal 

 portion laterally margined and strong erect lateral spines ; the 

 thorax somewhat irregularly but transversely striate, obliquely on 

 the sides. Pedicel rather thick : the 1st node, seen from tlie side, 

 cuneiform, without an appendix beneath ; 2nd node globose, 

 laterally slightl}- tubereulate, smooth above and shining ; abdomen 

 smooth and shining. 



^ . yimilar iu colour, but lighter than in the 1/, smooth, highly 

 polished and shining ; pilosity similar but more sparse. Head 

 broadly oval, with a distinct posterior margin; antennse very long 

 and massive, the scape extending beyond the top of the head by 

 more than one-third of its length ; club of the flagellum of -1 sub- 

 equal joints as in the 1^. Thorax, nodes of the pedicel and 

 abdomen as in the IJ. , but proportionately smaller. 



Length, 1/ 5 ; ^ 3-3"5 ujm. 



Bab. Sikhim at 8000 feet (Rogers). 



This species resembles Phidole {Ceratoplddole) smythiesi, I^orel, 

 in the form of the antennse. It differs in size and colour, iu 

 having the head (1/) proportionately smaller and longer, and 

 also in the shape of the head and thorax. 



257. Phidole lamellinoda, Forel,Rev. Suisse Zool. x (1902), pp. 106 & 

 186, ]!/ ^ $ d ; id. Jour. Bomb. N. H. Soc. xiv (1902), pp. 524 & 

 538. 



l/. Very light chestnut-red, smooth, polished and shining, 

 antennae, legs and abdomen a shade paler ; the head anteriorly 

 finely longitudinally striate, the thorax on the sides very sparsely 

 punctate ; pilosity entirely wanting, pubescence very short and 

 sparse. Head posteriorly broader than in front, deeply, widely 

 emargiuate, without the mandibles a little longer than broad ; 

 mandibles sparsely punctate, the masticatory margin with two 

 indistinct blunt teeth at apex ; clypeus with the anterior margin 

 medially incised, a convex smooth spot in the middle with a fine 

 groove on each side ; antennal carinae very short, widely divergent 

 posteriorly, with no antennal groove ; antennse short, the scape 

 not reaching the top of the head by more than one-half of its 

 length from insertion ; eyes lateral, round, not very convex, placed 

 in anterior half of the head ; a distinct depression on the vertex ; 

 the posterior lateral angles of the head rounded but prominent. 

 Thorax : the pronotum a little longer than broad, convex above, 

 latex'ally tubereulate ; mesonotum transverse ; the i)ro-niesonotal 

 suture deep and narrow, the meso-metanotal suture deep and broad ; 

 the metanotum with a curved slope to apex, the metanotal spines 

 very short and erect. Anterior node of the pedicel \\\t\\ a trans- 

 lucent appendix beneath, seen from above square, obliquely sloped 



