43 



guished by its smaller size, by the coloiir of the head and of other 

 parts of the body, and by other characters; and froni ail of them by 

 erect liairs being déficient on the tibiag and scapes. 



Dr. FoRKL, who kindly sent us a spécimen of the Europeaii 

 Cr. .iu6É'/■i^■ for comparison, cunsiders the japanese forni a variety 

 of that species. 



• Described froni several V collecled at Ubata in the Island of Hondô 

 by i\Ir. Yasushi Nawa, a well-known Japanese entomologist, with 

 whoni \ve hâve mnch pleasnre in associating the nanie of this new 

 variety. 



S-ci.tofa,3mily G A^lVtlPOIsrOTIISr^^E Fouki. 



Prenolepis (Nylanderia) Sakurse sp. nov. 



9 1-1.7 mill. long. 



Mandibles 1/2 as long as the head, the upper part incur-ved, the 

 masticatory niargin broad, with 5 unequal, viz. ;i large and 

 "2 minute, teelh. Head, excluding the mandibles, longer than broad, 

 sides slightly convex; posterior angles rounded, posterior border 

 nearly straight, the front prominent, and the vertex rounded. Eyes 

 inoderately large. Clypeus transverse, convex, arched, notcarinate, 

 its anterior 'border rounded but not excised. Frontal area broader 

 than long, distinct from the clypeus. Frontal carin* high. Antennal 

 foveee distinct. Antennœ siender; the scapes exceeding about 1/4 of 

 their length beyond the posterior tîorners of the head, thicker 

 lowards the apex, slightly curved; ihe tirst funicular joint longer 

 than broad; joints 2-6 broader than long; joints 7-<S nearly as long 



Fig 'i.PrenokpisSakurœ^ • 

 Profil of thorax and 

 ¥\g.\. Prenolepis Sakurce'^. Fig. 2. Auteuua of saine. pétiole. 



as broad, joints 9-10 a little longer tlian br-oad, the terminal joint as 

 long as joints 8-10 together and forming a club. Thorax distinctly 

 longer than the head, in front about 2/3 as broad as the latter, both 

 pronotum and mesonotum being high; pronotum broader than 

 long, the upper surface convex, rounded on the sides ; mesonotum 

 as long as broad, the upper surface slightly convex ; pro-mesonotal 



