MANX: ANTS OF Till'. MKlTISil S( )I>()^^()^• ISLANDS. 281 



that of N. jiaJliprs, described and lijj;ured hy Wheeler (Hiol. hull., 

 1900, 11, p. ()1, fig. 8) but rather more slender. 



5. Amhlyopone lkvidens Emery. 



.Ann. Mus. civ. stor. nat. Genova, 1887, 25, p 418, 9. 

 Malaita: Interior near Fourafi. 



A single female agrees with Emery's description. 



(3. IMyopopoxe castanea (F. Smith). 



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

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



Santa Cruz: Graciosa Bay. San Cristoval: Wai-ai, Star Harbor. 

 Florida: Tulagi. Ysabel: Fulakora. New Georgia: Lambeti. 



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

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



It nests in rotten or semirotten wood, always where there is plenty 

 of moisture. The Avorkers are ver\- timid and highly sensiti\e to and 

 repelled by light. 



7. Platythyrea melancholica (F. Smith). 



Pachycondyla melancholica 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 sUghtly transverse. Eyes 

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



