wheeler: the ants of borneo. 125 



Type-locality: Sumatra. 

 Sarawak (Munich Mus.)- 



205. PoLYRHACHis (Myrma) villipes Smith. 



PolyrhacMs villi'pes Smith, Journ. Proc. Linn. soc. London. Zool., 1857, 2, 

 p. 61, ^ ; Mayr, Tijdschr. ent., 1867, 10, p. 58, ^ . 



Type-locality: Sarawak, Borneo (A. R. Wallace). 

 Sarawak (Doria and Beccari; Haviland). 



Two workers and a female from Kuching (John Hewitt) and a 

 worker from the same locality (H. W. Smith). 



206. PoLYRHACHis (Myrma) vindex Smith, 

 Polyrhachis vindex Smith, Journ. Proc. Linn. soc. London. Zool., 1857, 2, p. 



64, y . 



Type-locality: Sarawak, Borneo (A. R. Wallace). 

 Worker. Length: 5-6 mm. 



Head broadly oval, a little longer than broad, and a little broader behind 

 than in front, nearly as high in the region of the frontal carinae as long. Eyes 

 distinctly behind the middle of the sides, moderately large and convex. Mandi- 

 bles with feebly convex external and oblique, coarsely 4-toothed apical border. 

 Clypeus subcarinate, its anterior border feebly and sinuately emarginate in 

 the middle and on each side. Frontal area distinct, triangular; frontal 

 carinae closely approximated, erect, very close together anteriorly. Antennae 

 long; scapes slender, reaching about f their length beyond the occiput. 

 Thorax short, only a little longer than its greatest height, the sides flat, the 

 dorsum evenly convex and rounded, its sides acutely marginate, the margin 

 incised at the distinct promesonotal and at the nearly obsolete mesoepinotal 

 suture. Pronotum, excluding the neck, nearly twice as broad as long, its 

 anterior corners produced as flattened, acute spines which are nearly twice as 

 long as broad at their bases, and directed forward and very slightly outward. 

 Mesonotum transversely oblong, nearly as broad as the pronotum and nearly 

 four times as broad as long. Base of epinotum trapezoidal, somewhat less than 

 twice as broad as long, with straight sides and posterior border, the latter 

 strongly marginate, with a small, acute, upturned tooth at each corner, the 

 declivity abrupt, concave and narrowed below, as long as the base and margi- 

 nate on the sides. Petiole lenticular, as broad as the anterior border of the 

 epinotum, in profile convex anteriorly and posteriorly, with a sharp superior 

 border, which seen from behind is evenly arcuate and entire, with a small, 



