FOUM1CIDJE. 



Key to the Species. 



a. Posterior margin of node of pedicel arined 



with a number of blunt processes. 



a'. Metanotum unarmed B. ru/fpes, p. 96. 



b'. Metanotum armed with a blunt tooth or 



spine on each side , . B. bispinosa, p. 97. 



b. Node of pedicel simple, unarmed. 



'. 1st joint of flagelluin of antennae equal to, 

 not longer than, 2nd joint. Length 6-5- 



7 mm .' B. tesserinoda, p. 97. 



b'. 1st joint of flagelluin of antennae distinctly 

 longer than 2nd. 



a 2 . Length 8-12 mm B. sttlcata, p. 98. 



6 2 . Length 5 mm ^ B. rubir/inosa, p. 99. 



116. Bothroponera rufipes, Jerdon (Ponera), Madr. Jour. Lit. $ Sci. 

 xvii (1851), p. 119, $ ; Forel, Jour. Bomb. N. H. Soc. xiii 

 (1900), p. 323, . 



. Dull black ; the mandibles, antennae and legs castaneous 

 red, the apical two or three abdominal segments bright ferruginous ; 

 the whole insect covered with an abundant pale reddish-yellow 

 pilosity. Head, thorax and node of the pedicel in front coarsely 

 punctured, cribrate ; the basal two abdominal segments rugose 

 with remarkably coarse longitudinal ridges, the intervals between 

 them coarsely punctured ; the apical segments finely punctured, 

 the yellowish-red hair on them long and thick. Mandibles 



Fig. 50.Botkroponera rujipes, $ . Thorax. 



obsoletely, finely, longitudinally striate and marked with some 

 coarse shallow punctures, the teeth on the masticatory margin 

 often worn and obsolete ; clypeus with a medial, often ill-defined, 

 short carina at base ; antennae densely pubescent, finely rugulose, 

 opaque ; eyes comparatively small : occiput slightly emarginate, 

 the anterior border of the emargination and the posterior lateral 



