480 JOURNAL, BOMBAY NATURAL HIST. SOCIETY, Vol. XXI. 



22. Apical half of clypeus distinctly concave ; 



enclosed area of median segment finely 

 punctured, with oblique striae in the corners... 

 Apical half of clypeus flat, not concave ; enclos- 

 ed area of median segment longitudinally 

 striated on the basal half 



23. Lamina of the clypeus slightly porrect and 



free at the extreme apex 

 Lamina of the clypeus not porrect or free at the 

 apex 



24. Basal area of the median segment very coarsely 



longitudinally striated . . 

 Basal area of the median segment not striated.. 



25. The emargination of the clypeus wide and 



shallow, not angular . . . . , 



The emargination of the clypeus angular 



26. Basal area of the median segment sparsely 



punctured ; pygidial area elongate ovate, as 

 narrow at the base as at the apex 

 Basal area of the median segment smooth, 

 striated on the margins ; pygidial area much 

 broader at the base than at the apex 



27. Abdomen as coarsely punctured as the thorax.. 

 Abdomen less coarsely punctured than the 



thorax 



28. Basal area of median segment smooth and 



shining ; clypeus very widely and shallowly 

 emarginate on the whole breadth, the angles 

 produced 

 Basal area of median segment striated ; the 

 emargination of the clypeus not extending 

 over the whole breadth . , 



29. The emargination of the clypeus rather wide, 



produced into an obtuse tooth on each side . . 

 The emargination of the clypeus reduced to a 

 narrow incision with a tooth on each side , . 



30. Clypeus with the lamina more or less free 

 Clypeus without a free lamina . . 



31. The lamina of the clypeus free from the base. . 

 The lamina free only from the middle or below. 



32. Mesopleurie tuberculate . . 

 Mesopleurse not tuberculate 



C. wickwari Turn. 



C. emarginata 

 Panz. 



24 



28 



G. vischnu Cam. 

 25 



26 

 27 



C. tristis Cam. 



C. opulenta Turn. 

 C. belli Turn. 



C. pulchra Cam. 



C. pruinusa Morice 



29 



C. instabilis Sm. 



C. abuends Turn. 

 31 

 42 

 32 

 38 

 33 

 34 



