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



42. Olypeus with several teeth on the apical 



margin . . . . . . . . .... 43 



Olypeus without teeth on the apical margin ... 46 



43. The teeth four or five in number, well defined, 



not very small . . . . . . . . . . 44 



The four teeth almost obsolete, very minute . . C, vothneyi Cam, 



44. First abdominal segment about twice as lojig, 



as broad . . .... ... . . . . . . . C. hirhyi Bingh. 



First abdominal segment nearly twice as. broad 

 as long . . ..... ...... 45 



45. Closely punctured ; the clypeus narrowed to 



the apex . . . . . . > . . . . . . C. downesivora 



Turn. 

 Less closely punctured ; clypeus not narrowed 

 at the apex . . . .... . . . . .. C. tetvadonta Cam. 



46. Clypeus widely and deeply emarginate . . 47 

 Clypeus not at all or only very shallowly emar- 

 ginate ..... , . . . . 49 



47. Mesopleurse tuberculate ; enclosed area of the 



median segment finely and closely punctured. C. nebulosa Cam. 

 Mesopleurse not tuberculate ; enclosed area 

 not punctured . . . . . . . . . . 48 



48. Enclosed area of median segmeint longitudi- 



nally striated . . ■ . . . . . . . . C binghami Turn, 



Enclosed area smooth and shining . . . . C. lorouglitoni 



Cam. 



49. Clypeus strongly convex . . . . . . 50 



Clypeus very feebly convex or flat . . . . 51 



50. Clypeus produced into a beak-like prominence 



just before the apex . . . . .... C rhyncophora 



Turn. 

 Clypeus with a margined groove from near the 

 middle widening slightly to the apex . . C. fastidiosa Turni, 



51. Mesopleuree distinctly tuberculate .. .. 52 

 Mesopleurse not at all or very indistinctly 



tuberculate . . . . . . . . . . 53 



52. Apical margins of the clypeus recurved and 



narrowly produced in the middle . . . . C. vigilans Sm. 



Apical margin of the clypeus truncate . . C. balucJiistanensis' 



Cam. 



53. Clypeus truncate at the apex . . . . . . 54 



Clypeus very shallowly emarginate at the 



apex ..,,.. . . . . 56 



