MANN: ANTS OF THE FIJI ISLANDS. 443 



3. Sides of mesonotum elevated as erect triangular spines. . . .onifera Mann 

 Sides of mesonotum not elevated 4 



4. Small yellow brown species, (length 2.5 mm.); vertex not impressed 

 transversely. Epinotal spines short. No antennal scrobes. .uinbonata AIa>T 



Larger species. Vertex laterally impressed. Epinotal spines longer. 

 Sides of head with antennal scrobes moderately or well developed 5 



5. Sides of postpetiole extended as curved spines, nearly half as long as the 

 breadth of petiole. Cljqjeus strongly concave at anterior border. Antennal 

 scapes extending distinctly less than half the distance to occipital corners. 

 Base of first gastric segment strongly punctate and opaque vahi Mann 



Sides of petiole rounded or conical. Antennal scapes extending at least 

 half the distance to occipital corners 6 



6. . Base of first gastric segment densely striate punctate. Epinotum and 

 petiole densely punctate and opaque caldweUi Mann 



Base of first gastric segment smooth. Epinotum and petiole not opaque . . 7 



7. Large brown species (length 4-4.5 mm.). Pronotum rounded at sides. 



oceanica MajT 

 Smaller, darker species. Pronotum gibbous or connate at sides 8 



8. Occipital border narrowly excised at middle. Occipital region punctate. 

 Color black wilsoni Mann 



Occipital border more broadly excised. Occipital region smooth. Color 

 brown 9 



9. Striae on front of head terminating at vertical impression, leaving the 

 vertex and occiput smooth and sliining. Reddish brown; head with two 

 fuscous blotches knoivled Mann 



Striae on front extending onto the vertex knowlesi subsp. extensa Mann 



30. Cakdiocondyla nuda (Mayr). 

 Leptothorax nudus Mayr, Sitz. Akad. wiss. Wien, 1866, 53, p. 508, ^ . 



Viti Levu: Saiaro. Vanua Levu: Lasema. 



Lives in small colonies beneath stones or bark or in the ground. 



3L MoNOMORiUM PHARAONis (Linne). 



Formica pharonis Linne, Syst. nat., ed. 10, 1758, 1, p. 580. 



Viti Levu: Xausori. 

 Common in the cane-fields. 



32. MoNOisiORiUM FLORicoLA (.Jerdon). 



Atta floricola Jerdon, Madras journ. litt. & sci., 1851, 17, p. 107. 



Viti Levu: Nadarivatu, Waiyanitu, Nausori. Vanua Levu: 

 Lasema. Cicia. Ovalau: Levuka. 



