MANN: ANTS 01 HIE FIJI ISLANDS. W>*3 



/ 1 male (dealated I. Length 3. 1<> mm. 



( losely resembling the worker, with the usual sexual different 



Viti I.f\ ii : N;nl;iri\ ;M u. 



Described From workers ;m<l ;i female taken in ;i small colony in 

 rot ten \\ ood. 



This species resembles feae from Lower Burmah in its large size, 

 and slender form, the narrow head, which is not angulate in front or 

 impressed ;it \ ertex and in the small size of the inner mandibular tooth. 

 The head of feae is somewhal broader and the sculpture entirely differ- 

 ent, the disc of postpetiole is smooth and shining, the epinotal spines 



are nmeh more slender. 



Key. 



1. Mandibles short, with distinct basal and apical margins, the latter with 

 numerous line teeth. Antenna! aerobes large and broad, containing the entire 



antennae, l'rothorax margined rilinisis Mann 



Mandibles linear, with three apical teeth. Antennal scrobes less developed. 

 l'rothorax not margined 2 



2. Large species (3-5 mm.)- Dark in color 3 



Small species ( \-'2 mm.). Light in color 4 



:!. Head slender, gradually narrowed anteriorly, sides not constricted at 



eves, cheeks parallel. Basal mandibular tooth short. Epinotal spines short. 



Peduncle of petiole shorter than node wheeleriyi-dim 



Head much broadened behind, strongly constricted at eyes; cheeks convex. 

 Basal mandibular tooth as long as terminal teeth. Epinotal spines long: 

 Peduncle of petiole longer than node nidifex Mann 



4. Occipital border shallowly concave scelr-stus Mann 



( tecipital border deeply concave 5 



5. Mandibles longer, slender, of subequal thickness. Petiolar node 

 coarsely punctate and opaque above and with strongly developed spongiform 

 hairs Qodeffrojji Mayr 



Mandibles shorter, thicker, more arcuate. Petiolar nods smootli shining 

 above and with less developed spongiform hairs jepsoni Mann 



54. Rhopalothrix (Rhopalothrix) elegans, sp. nov. Fig. 25. 



Worker. Length ^.7o-4.2."> mm. 



Head, distinctly longer than broad, its transversa diameter between eyes 

 about equal t<> the width at anterior border; vertex strongly impressed at 



Bides 80 'hat the occipital corners stand out as large lobes with margin rounded 

 ;;t fronl half, then concave and with the posterior angles narrowly rounded; 



