438 CITKTSIDID.I!. 



h'. Aljclomen more or less blue or green. 



a'-. Sides and apical margins of two basal [p. 466. 



seo-ments cupreous golden C. mndaracata. 



b-. Abilomen without any cupreous or 

 golden effulgence. 

 «■'. Head narrower than pronotum : 



anterior ocellus placed in a hollow . (',fiiscipe7ims, p. 467. 

 h\ Head as broad as pronotum or broader. 

 «'. Apical abdominal teeth remarkably 

 broad and obtuse. 

 a'\ No transverse carina on front. 

 r/'\ INIedial two teetli closer to one 

 another than either is to the 



tooth next to it exteriorly . . C. ani/iistata, p. 460. 

 ¥'. All four teeth equidistant . . C. eotesi, p. 470. 

 5\ A transverse carina on front. ... C. pcr/ecta, p. 471. 

 b\ Apical abdominal teeth acute. 

 «'. Medial two teeth longer than 

 lateral teeth. 

 a^. Anterior ocellus with a carina 



on each side C. hhacance, p. 472. 



W. Anterior ocellus without carina' 



at the sides C hahmhtr^ p. 473. 



If . Medial two teeth not longer than 



lateral teeth. 



«". I'unctures on 1st abdominal 



segment coarser than on 2nd. 



(V . Facial cavity transversely and 



sharply margined above by 



a carina; length 10-11 mm. C. coiiserta, p. 474. 



h~. Facial cavity not margined 



above, sinuate, a transverse 



carina above it on front, 



not along margin ; length 



6 mm C. mraJcsensis, p. 475. 



//'. Punctures on 1 st abdominal seg- 

 ment not coarser than on 2nd. 

 a~. Anterior lateral angles of 

 pronotum seen from above 



distinctly truncate C. indoyotea, p. 475. 



If. Anterior lateral angles of 

 pronotum seen from above 

 sharply prominent, not 



truncate , C. iunophris, p. 476. 



E. Apical margin of abdomen with o teeth. 



a. Postscuteilum furnished at base with a broad [p. 477. 



mucro C. shanyhaiensis, 



b. Postscuteilum Avithout mucro. 



a. Outer emarginations on apical border of 

 abdomen distinctly broader than medial 

 emarginations. 



a . Anteapical series obsolete C. libita, p. 478. 



//. Anteapical series not obsolete, Avell- 

 marked. 

 a^. Teeth on apical margin of abdomen 

 acute, triangular, subequal ; head 

 and thorax above and sides of abdo- 

 men aeneous purple ('. imperiosa, p. 479. 



