MONOGRAPH' OF THE WASPS OF BRITISH INDIA. 481 



33. Lamina much broadened from the base, very 



widely and deeply emarginate . . . . . . C. onentalis Sm. 



Lamina not broadened from the base, shallowly 



emarginate . . . . . . . . . . C. saussurei E,ad. 



var. 

 chrysothemis Turn. 



34. Enclosed area at the base of median segment 



smooth and shiningr ... ..•..■.. 35 



Enclosed area longitudinally rugose or striated 37 



35. Enclosed area of the median segment with a 



deep median groove ; pygidial area much 

 broader at the base than at the apex . . C. agnata Turn. 



Enclosed area with the median groove almost 

 obsolete ; pygidial area much broader at the 

 apex than at the base . . . . . . 36 



36. Lamina of clypeus widened from the base, 



broader at apex than long, shallowly emargi- 

 nate . . . . . . . . . . , . C, humbertiana 



Sauss. 

 Lamina truncate at apex, no broader than long, 



not widened from the base .. .. .. CJlawpicta Sim.. 



37. Lamina broadly incised almost to the base; 



enclosed area of the median segment longitu- 

 dinally rugose . . . . . . . . . . C. acuta Rad. 



Lamina shallowly and widely emarginate ; en- 

 closed area longitudinally striated . . . . C. hilaris Sm. 



38. Lamina free from the middle or slightly below; 



mesopleurse not tuberculate . . . . . . 39 



Lamina free at the apex only ; mesopleurse 

 tuberculate . . . . . . . . . . C. elizabethce Bingh. 



39. Clypeus below the lamina more or less dentate 



at the apex . . . . . . . . . . 40 



Clypeus below the lamina truncate at the apex, 

 the lamina truncate . . . . . . . . C . Jlavo'plagiata 



Cam. 



40. The lamina in the form of a thickened porrect 



tubercle, feebly incised at the apex . . . . C. pentadonta 



Cam. 

 The lamina of the usual flattened form . . 41 



41. Lamina truncate ; two teeth on each side on 



apical margin of clypeus . . , , . . C, latibalteata 



Cam. 

 Lamina slightly emarginate ; three teeth at 



apex of clypeus . . . . . . . . ,. C, specifica Turn. 



