It'll) BULLETIN MUSEUM 01 COMPARATIVE ZOOLOGY. 



\ common species, frequently seen <>n leaves and tree-trunks. It 



nests in hollon twigs or in rotten wood. 



16a Ti [tiamorii m (Tetramorii m pa< ni« i m Mayr, var. wilboni, 



var. nov. 



Worker. Length 2.75 mm. 



Differing from typical pacificum in its color, being brownish yellow through- 

 out, unci in having the striae on front of head much finer. 



Yiti Levu: Nausori (Type-locality), Waiyanitu. Vanua Levu: 

 Lasema, Suene. Kadavu: Vanua A\a. 



This variety nests in rotten wood or hollow twigs. 



47. TWGLYPHOTHRIX PACIFICA, sp. nov. 



Worker. Length2 2.25mm. 



Head a little Longer than broad, as broad in front as behind, sides nearly 

 straight, occipital angles rounded, border straight. Mandibles 5-dentate. 

 Clypeus slightly convex at middle, anterior border broadly rounded. Frontal 

 carinae feeble, extending bo ti]) of antennae, aerobes broad and shallow. 

 Antenna] scapes stout, extending seven eighths the distance to occipital 

 corners; first funicular joint as long as the second and third together. Eyes 

 large and convex, situated at sides of head in front of middle. Thorax robust, 

 broadest at humeri, which are broadly rounded; arcuate in profile. Hpinotal 

 spines stout, straight, as long as their distance apart at base, directed back- 

 ward and slightly upward. Petiolar peduncle short, node in profile Longer 

 than high, with concave anterior and slightly rounded posterior surfaces and 

 broadly convex dorsum J from above subglobose, a little Longer than broad. 

 Postpetiole as broad as petiole, slightly broader than long; in profile higher 

 than long, rounded above. Legs stout. 



Opaque, except postpetiole and gaster which are shining. Mandibles 

 coarsely striate. Head, thorax, epinotum, except between spines and the 

 declivity, densely, foveelately pitted, with reticulate carinae between the pits; 

 antenna! scrobes rugose; front of head with a median carina that extends 

 from base of clypeus one third the length of head. 



Pilosity short, fine, and abundant. 



Dark brown to black, appendages light reddish brown. 



Fondle (deaJated). Length 2.50 mm. 



Except for the usual sexual modifications, differing from the worker only in 

 the somewhat shorter epinotal spines and in the petiolar node being a little 

 broader than long. 



