52 FOEMICID.I:. 



than in the $ . A short depression between the inesonotum and 

 scutellum, bordered by carinae and strongly striate inside. Smooth 

 and shining, save the thorax, \vhich is coarsely rugose, punctate or 

 striate (longitudinally on the metanoturu). Covered by a line 

 yellowish pilosity, dense on the legs, less abundant elsewhere. 

 Pubescence very sparse. The 1st abdominal segment is pyriform 

 and has the appearance of forming a 2nd node to the pedicel, a 

 slight constriction between the 2nd and 3rd segments. Thorax 

 and pedicel of a brownish black, head and basal segment of the 

 abdomen reddish yellow. Best of the abdomen yellow with a 

 tinge of red. Legs and antenna) very pale testaceous." 



Length, $ 16-18; $ 18-20; 3 10 mm. 



Hal). Northern India, Behra Dun (Smythies) ; Sikhim (Holler) ; 

 Assam (Smythies); Burma, Maymyo, 3000 ft. (Binyliam)', Madras ? 

 (Smith). 



Dr. Forel records (Z. c.) a mimetic spider, SaUicus plataloides, 

 Cambr., being found with this ant. 



Genus LEPTOGENYS. 



Ponera, pt., Smith, Cat. vi (1858), p. 83, $ rf. 

 Leptogenys, Roger, lierl. ent. Zeit. \ (1861), p. 41, . 



Type, L.falciyera, Roger, from Ceylon. 



lianye. Ethiopian, Indo-Malayan, and Australian regions in the 

 Eastern, and the Neotropical region in the "Western hemisphere. 



. Head quadrangular, about as broad as long, broader in 

 front than posteriorly, very convex ; mandibles remarkably long, 

 slender and curved, acute at apex, not dentate ; clypeus very 

 narrow, produced anteriorly in the middle : antennal carinae small 

 and laminate, very short and very close together ; antennae 12- 

 jointed, placed low down immediately above the clvpeus, long, 

 filiform, and rather thick ; eyes comparatively large, a little anterior, 

 closer to the base of the mandibles than to the posterior lateral 

 angles of the head. Thorax narrower than the head, the pronotum 

 moderately convex, anteriorly constricted into a collar, pro-meso- 

 notal suture well marked, meso-metanotal suture somewhat obsolete 

 above; thorax level above, not emarginate, obliquely truncate 

 posteriorly ; legs long and very robust, the femora and tibiae 

 cylindrical, claws pectinate. Pedicel one-jointed, node cubical ; 

 abdomen elongate, cylindrical, the constriction between the basal 

 two segments well marked ; sting long, exserted. 



Nothing is known concerning the habits of the two species of 

 this genus found within our limits. 



Key to the Species. 



a. Head, thorax and abdomen very finely punctured, 



not pruinose L. falciyera, p. 53. 



b. Head, thorax and abdomen not punctured, densely 



pruinose L. pruinosu, p. 53. 



