370 ON THE CARENIDES (FAM. CARABID.V), No. IV., 



ff. Border of elytra decidedly thickened 

 at humeral angles and forming a 

 raised prominence. 

 G. Anterior femora not swollen in 

 middle of lower side. 

 h. Suborbital antennal scrobe 

 long, its lower edge forming 

 a ridge, 

 i. Frontal sulci short, parallel. 

 j. Prothorax without a well- 

 defined basal area. 

 A-. Prothorax and elytra with r C. cupreomarginatum, Blkb. 



cupreous margins "\ C. opulens, SI. 



l:k. Prothorax and elytra 

 purple-black, with 



greenish margins C. dispar, Macl. 



jj. Prothorax strongly lobate 

 behind and with well- 

 defined basal area C. virescens, SI. 



ii. Frontal sulci divergent G.froggatti, SI. 



hh. Suborbital 1 antennal scrobe 

 short, lower side not form- 

 ing a ridge. (Posterior tarsi 

 with basal joint short- - 

 shorter than two succeeding 

 joints together). 



I. Prothorax and elytra with 



wide green margins (form 



short) G. breviforme, Bates. 



II. Prothorax and elytra with 



purple margins. 

 m. Frontal sulci short, 



parallel C. lobatum, SI. 



mm. Frontal sulci diverging 

 lightly backwards — 



deep posteriorly G. serratipes, SI. 



OG. Anterior femora swollen in 

 middle of lower side. (Frontal 

 sulci diverging strongly back- 

 wards). 

 n. Posterior tibiae thick, pro- 

 thorax with two marginal 

 punctures on each side C. habitans, SI. 



