



BULLETIN: MUSEUM «»l < <>\ll' \k\im. zoology. 



blades are distinctly tridentate basally. In t ht- worker of knot 

 tin- head of the worker is rathe? strongly punctate at the Bides, infft*#d 

 noooth as in megaeephala. Type. M. C. Z. s .'> ||n 



27a. I'm lix'i.i. KNOWLE&] Maim, BUDSp. EXTENSA, SUDBp nOV. 



Soldier. Length 3 mm. 



Differing from typical knowle&i only in having the frontal Btriae extending 

 beyond the transverse vert ical impression and od to t he vertex, with the inter- 

 spaces distinctly though very finely punctate and the head more uniformly 

 fuscous instead of reddish brown and Lacking the darker blotches 0D tin- front. 



Worker. Length 1.75 mm. 



Very similar to that of knowlesi, but with the head Let ween the frontal 

 carinae finely and sparsely striolate longitudinally, and rather sparsely punc- 

 tate. 



Viti Levu: Nadarivatu (Type-locality), Nasoqo. Vanua Levu: 

 Wainunu. 



A harvesting species, very common beneath stones. It is the host 

 of several species of clavigerid beetles. 



The differences in st nation between this and the preceding form, 

 though slight, are constant in a large series before me. Type.— 

 M. C. Z. 8,699. 



28. Pheidole (Electropheidole, subgen. nov\) roosevelti, 



sp. nov. Fig. 15. 



Soldier. Length 4.75-6 mm. 



Head one fourth longer than broad, slightly broadened behind, sides nearly 

 straight, posterior corners prominent and rounded, border deeply excised, 

 vertex broadly impressed transversely. Mandibles thick, their blades with a 

 small triangular tooth basally, and two very stout teeth apieally. Clypeus 

 impressed in front of middle, then elevated, with the anterior border concave 

 at middle. Frontal carinae no stronger than the other carinae on the front 

 and bordering very poorly defined scrobes. Antennal scapes extending a 

 little more than half the distance to occipital corners, slender and arcuate 

 basally, thickened at apical third; funicular joints 2-8 about twice as long as 

 broad, club very slender, much shorter than remainder of funiculus, with the 

 first two joints subequal and together much longer than the terminal. Eyes 

 small and moderately convex, situated at sides of head in front of anterior 



