MANN: ANTS OF THE BRITISH SOLOMON ISLANDS. 281 



that of S. paUipes, described and figured by Wheeler (Biol, bull., 

 1900, 11, p. 61, fig. 8) but rather more slender. 



5. Amblyopone levidens Emery. 



Ann. Mus. civ. stor. nat. Geneva, 1887, 25, p 448, 9- 



Malaita: Interior near Fourafi. 



A single female agrees with Emery's description. 



6. Myopopone castanea (F. Smith). 



Amblyopone castaneus F. Smith, Journ. proc. Linn. soc. London. Zool., 

 1861, 5, p. 105, pi. 1, fig. 6, y . 



Santa Cruz: Graciosa Bay. San Ci'istoval: Wai-ai, Star Harbor. 

 Florida: Tulagi. Ysabel: Fulakora. New Geoi-gia: Lambeti. 



My specimens belong to the typical form,, which is widely distrib- 

 uted in the Papuasian and Oriental regions and occurs also in iVustralia. 



It nests in rotten or semirot'ten wood, always where there is plenty 

 of moisture. The workers are very timid and highly sensitive to and 

 repelled by light. 



7. Platythyrea melancholica (F. Smith). 



Pachycondijla inelancholica F. Smith, Journ. proc. Linn. soc. London. Zool., 

 1864, 8, p. 71, y . 



Santa Cruz : Graciosa Bay. 

 One worker. 



8. Rhopalopone malaensis, sp. nov. 



Worker. Length 2 mm. 



Head about a third longer than broad; sides slightly convex; occipital 

 angles narrow, margin feebly concave. Clypeus broadly rounded in front, 

 the surface convex. Frontal lamellae small, widely separated. Mandibles 

 rather slender, the blades with very minute teeth. Antennal scapes extending 

 almost to the occipital corners; funicular joints 4-9 slightly transverse. Eyes 

 small, but distinct, situated at sides of head a little in front of the middle. 



