280 FOBMIC'ID.E. 



flagelluni of the antennjo aiul the legs castaneoiis. flie scape 

 I'uscciis brown. Head very finely longitudinally striate ; thorax 

 more coarsely and irregularly rugose striate ; the niesonotum. apex 

 01 the metanotum. and the abdomen smooth and shining, the sides 

 and base of the metanotnm and the nodes of the pedicel coarsely 

 transversely rugose. Pilosity abundant, setiform, of a clear 

 yellowish white, very conspicuous. For the rest the characters of 

 the genus. 



g mcO. Closely resembles the ^ nntfi., but differs in being 

 smaller, and in the sculpture of the head and thorax, but especially 

 of the latter, being much finer and closer, giving the whole 

 insect a much more opaque appearance ; the nieranotal spines or 

 teeth are smaller and feebler. 



^ min. Eesembles the ^ med.. but is considerably smaller and 

 a little more shining, the very fine striation of the head seems 

 almost obsolete iu certain lights. Thorax subopaque, metanotum 

 transversely striate, metanotal teeth obsolete. 



5 . Of very large size, larger than the ^ max.. but resembling 

 it. Head finely longitudinally striate on the front, the stria? 

 strongly divergent outwards above the vertex ; the head above and 

 the occij)ut co^■ered with large shallow punctures over the stria? ; 

 mandibles coarsely longitudinally striate and pubescent; antennic 

 pubescent. Thorax : the pronotum transversely striate : the 

 mesonotum. scutellum and abdonien smooth, polished, shining, 

 with a few scatteied punctures ; metanotum and nodes of pedicel 

 coarsely transversely rugose ; legs very slender ; wings brownish 

 hyaline. For the rest the characters of the genus. 



(S . Head anteriorly irregularly sculptured and opaque, pos- 

 teriorly smooth and shining, with a few vague irregular stria? and 

 punctures ; thorax on the sides, the metanotum and the nodes of 

 the pedicel more or less irregularly rugose, the remainder of the 

 thorax and abdomen smooth, polished and shining. Legs long and 

 slender, wings as in the $ . For the rest the characters of the 

 genus. 



Lemith. g ^ 4-10 ; $ 14 ; J 10 mm. 



Hah. The North-west Himalayas, Dharmsala {Safje) ; the Tons 

 Valley {Smythies) ; Quetta {Xurse). 



The specimens kindly sent to me from Quetta by Maj. Nurse 

 have the abdomen very closely and finely reticulate, opaijue and 

 not shining. 



Genus HOLCOMYRMEX. 



Atta, pt., Roger, Berl. eni. Zeit. vl (1802), p. 2m. ^ . 

 Holcomyrmex, Mai/r, Verh. zool.-hut. Ge-^. Wie7i, xxviii (1878), 

 p. (ill, ?. 



Type, H. scahriceps, IMayr. 

 Ranije. Palaearctic and Indo-Malayan regions. 

 ^ maj. Head large, more or less rectangular, the sides straight ; 

 the occiput emarginate, but not deeply, the poNtenor lateral angles 



