wukklkk: thk ants ok hohnkd. 59 



34a. Lkptocknys (Lohopki.ta) dimim ia \jir. i.akvicki'h (Sniith). 



Pofjfrrj /nffirr/« Smith, .Idiirii. I'roc. liiiin. soc LimkIuii. Znol , ls.">7, 2, p. ('»'.>, 5 . 



Poticm shniUhiKi Stnilli, ihid., 1S(U, 6, p. \i)Pt, 5 . 



I^bopelia (iimiutila vnr. liuviccifs KnuTV, Ann. Mus. civ. CJi-nova, 1887, 8i;r. 2, 



6, p. 433, 8 . 

 Lcpti>gcnys (Lcbojx'Ua) divtiuuta var. lacnceps Emory, Gon. In.s. Poncriime, 



1911, p. 103. 



Tyjic-iocaUiy: Sarawak, Borneo (A. R. Wallace). 

 Two workers from Kucliinj; (Jolin Hewitt). 



*35. Leptoge.nys (Lobopelta) borneensis, sp. nov. 



Worker. IxMigtli: 9 nun. 



Lour and slender. Head about \ lonser llian bread, a little broadt'r in 

 front than bohiiid, with nearly strnipht sides in front, rounded behind, with 

 rather deeply excavated occipital border. Eyes rather small, situated a 

 distance equal to their lenpth from the anterior corners of the head. Mandibles 

 rather large, triangular, with deflected tips, distinctly concave lateral, dentate 

 apical and denticulate basal borders. Clyix'us strongly carinate, its anterior 

 border entire, projecting as a membranous, rather narrowly rounded lobe. 

 Antennae long and slender; scapes extending about \ their length beyond the 

 posterior corners of the head; all the funicular joints much longer than broad; 

 first joint a little more than half as long a.s the second, second sliglilly longer 

 than the third. Thorax long and slender. Pronotum slightly flattened above, 

 longer than broad, raesonotum shorter and much narrower and lower than the 

 pronotum, its dorsal outUne verj' feebly concave; epinotimi scarcely broader 

 than the mcsonotum, but ver>- distinctly liigherand longer, the ba.se straight 

 and horizontal, twice as long as the vertical declivity into which it passes 

 through a cur\-e without any trace of an angle. The sides of the decUvity are 

 feebly marginate. Each epinotal stigma is situated in a sharply defined 

 eUiptical depression. Petiole from above fully twice as long as broad, nar- 

 rowed in front, laterallj* compressed. In profile the node is longer than high, 

 its anterior border long and convex, the posterior border straight, the apex 

 blunt, the ventral surface of the petiole sinuous in the middle. Gaster small. 

 Legs long and slender. 



Shining, ver\' sparsely and very finely punctate; mandibles verj- finely and 

 densely striate. 



Hairs whitish, short, sparse, and erect on the body, more abundant and 

 more obUque on the appendages. Pubescence pale, present only on the 

 funiculi and tarsi. 



Castaneous; mandibles, ch-peus, legs including coxae, neck, prostema 



