maw: wis OF THE Bill ISLANDS. 455 



Gaster sparsely and rather coarsely punotate. Appendages with 8p 

 puncl ares. 



Long and fine hairs abundant on bead, body, and appendages. 



Black] mandibles and appendages reddish brown. 



Male. Length 2.10 mm. 



Head, excluding eyes, a little longer than broad, narrowed and rounded 



behind. Mandibles moderately well developed. Clypeus convex, anterior 

 larder very feebly rounded. Eyes large, a lit t le less t ban half as long as head. 

 Antennae 13-jointed, scapes less than half as long as head and rather thick, 

 second funicular joint shorter than the first , as long as the third, and more than 

 twice as long as broad, joints 111 gradually increasing in length, terminal 

 joint Blender, about as long as the two preceding joints together. Mesothorax 

 with strong Mayrian and parapsidal furrows. Scutellum convex, a little 

 broader than long, strongly declivous behind. Base of epinotum longer than 

 the declivity, surface Hat. Petiolar node evenly rounded above, from above, 

 subcircular. Postpetiole subquadrate, broader than Ions; in profile rounded 

 above. Gaster elongate. Genitalia small. 



Moderately shining. Head, thorax, petiole, and postpetiole pund 

 gaster more finely so. 



Fine, semierect pilosity abundant on head, b >dy and appendages. 



Reddish brown, appendages lighter; wings hyaline, with pale veins and 

 stigma. 



Kadavu: Vanua Ava (Type-locality), Buke Levu. Viti Levu: 

 Nasoqo. 



Distinguished by the elongate head, with its delicate striation, and 

 the large epinotal spines. Only one worker was found on Viti Levu 

 but the species is abundant in parts of Kadavu, nesting beneath stones 

 in -mall colonies. Type. — M. C. Z. 8,706. 



41. Rogeria (Irogeka) rugosa, sp. nov. Fig. 20. 



Worker. Length 2.50-3.00 mm. 



Head barely broader than long, sides convex, posterior angles broadly 

 rounded, border nearly straight. Mandibles with three strong teeth on apical 

 half and four small teeth on basal half. Clypeus rather strongly rounded at 

 anterior border. Antenna] scapes extending nearly four fifths the distance to 

 occipital corners; first funicular joint longer than the second and third to- 

 gether: joints 2-8 strongly iransverse; funicular joint much longer than the 

 two preceding joints together. Eyes situated in front of middle of sides of 

 head. Pronotum little convex at middle, humeri rounded. Mesoepinotal 



