mann: ants of the fiji islands. 499 



corners by distinctly less than half of their length. Thorax long and slender 

 little convex in profile. Basal portion of epinotum strongly compressed, 

 separated from declivity by an obtuse angle; declivity flattened, slightly con- 

 cave in profile. Petiole elevated, rather thin, convex in front, flat behind, its 

 dorsal border margined and at middle shallowly concave. 



Shining. Mandibles finely punctate. Head and body coriaceous. 



Pilositj- as in soldier. 



Fulvous throughout, except the gaster which is somewhat infuscated. 



Kada^'u: Buke Levu. 



Very close to maudcUa, from which the soldier can be distinguished 

 by the longer and narrower head. The antennal scapes of the w'orker 

 minor are shorter than those of viaudella and the color of the tw^o species 

 is different. 



Key of the Fijian Species (Soldiers) of Colobopsis. 



1. Epinotum and petiole bidentate. Dark red species with black head and 

 gaster. Length 4.75-5.25 mm dentatus Mayr 



Epinotimi and petiole not bidentate 2 



2. Head one and two thirds times as long as broad. Head rufous, bodj^ 

 testaceous with the gaster somewhat infuscated janus Mann 



Head shorter and broader 3 



3. Clj-peus without median carina. Node subquadrate. Fuscopiceous, 

 head in front rufous. Length 5.6 mm rufifrons F. Smith 



Ch^jeus carinate at middle. Node elevated, convex in front, flat behind 

 and narrowed above 4 



4. Ch-peus without strong carinae other than the median one; cheeks with 

 short rugae. Fuscopiceous, middle and posterior coxae and the tibiae yellow; 

 front of head, mandibles, and tarsi reddish brown mayriella Mann 



Clj^peus and cheeks strongly striated. Head rufous, thorax rufocastaneous . . 5 



5. Gaster black, with base of first segment and an apical band on all 

 segments fulvous maudeUa Mann 



Gaster yellowish, banded apically with fuscous which extends forward as a 

 medial blotch maudella var. seemanni Mann 



