MANN: ANTS OF THE BRITISH SOLOMON ISLANDS. 



283 



small. Antennae slender, 12-jointed; the scape somewhat flattened at base; 

 joints 8-11 forming a very poorly differentiated club. Thorax elongate; un- 

 armed. Prothorax angulate ventrally at sides but without tooth. Pro- 

 mesonotal and mesoepinotal sutures strongly impressed. Petiole from above, 

 subglobose; from the side, rounded above, the anterior surface with a flattened 

 space, anteroventral surface with flattened triangular spine. First gastric 

 segment a little broader, but shorter than the second, armed anteroventrally. 

 The remaining segments short, somewhat deflected, but not as strongly as in 

 Stictoponera. Legs slender; anterior tibia with strongly pectinate spine; 

 middle and posterior tibiae each with a single long, simple spine. Tarsal 

 claws large, with a distinct pointed tooth basally on the inner surface. 



9. Wheeleripone albiclava, sp. nov. 



Worker. Length .6.5 mm. 



Head a third longer than broad, broadest at occiput; sides slightly convex; 

 occipital border shallowly and narrowly excavated. Frontal carinae very 

 short, their lobes small, flat, as far apart as their distance to sides of head. 

 Basal portion of clypeus slightly convex, longer than broad; anterior portion 

 flat, the border evenly rounded. Mandibles large, elongate-triangular, the 

 blades with 10-12 minute, widely separated teeth. Antennae slender, scapes 



Fig. 3. — Wheeleripone albiclava Mann. Worker. 



somewhat flattened basally, surpassing occipital angles by a distance of less 

 than their width at apex; first flagellar joint slightly longer than the second 

 and twice as long as broad, second joint a little longer than the third; joints 

 3-7 subequal, subglobose in shape; joints 8-10 each a little larger than the 

 preceding, 9-10 longer than broad; terminal joint slender, a little longer than 



