SYSTEM A 0 JE R A M B Y C I D A R U M . 



o* Antennae corpore longiores, artic. 3° seq. 

 paulô longiore; prothorax latéral, armatus; pedes 

 sat elongati : 



X X Elytra dilatata et ampliata : 



Antennae brèves, artic. 3° seq. longiore ; protho- 

 rax later. armatus; pedes médiocres; tarsi subae- 

 quales : 



Antennae brèves, artic. 3° elongato inflato, seq. 

 ferè duplô longiore ; prothorax globosus , later. iner- 

 mis ; pedes médiocres : 



Antennse brèves, pilosae, artic. 3° seq. longiore, 

 5-6 valdè pilosis , 6° preced. longiore; prothorax 

 later. inermis; pedes postici elongati : 



oo Prothorax latéral, marginatus : 



Faciès P ter oplati ; antennae brèves, artic. 1° tertio 

 paulô longiore; 2-6 subtus valdè pilosis, 4° preced. 

 breviore, 5° primo ferè œquale, 7-10 apice paulô ex- 

 tus dentatis ; prothorax later. dilatatus ; femora cla- 

 vata : 



Faciès Pteroplati ; antennee brèves, artic. \ 0 tertio 

 multum breviore, 3° seq. manif. longiore, artic. om- 

 nibus subtus pilosis; prothorax semicircularis ; pedes 

 brèves : 



18 e DIVISION. 



(Pteracanthit^ 

 Ver^e.) 

 (p. 259.) 



Frons vix concava ; Ç corpore 

 vel breviores vel longiores, ar- 

 tic. plur. extus dentatis; pro- 

 thorax later. 4-productus; scu- 

 tellum sat magnum ; (Cryptobias 

 exceptus); elytra ampla; (Cera- 

 genia, Cosmocerus que excepta); 

 acetab. ant. paulô extus angu- 

 lata; femora cylindrica : 



G. Evander. 



(p. 257.) 



G. Paristemia. 



(p. 257.) 



G. Diastellopterus. 



(p. 257.) 



G. Pteroplatus. 



(p. 257.) 



G. Thelgetra. 



(p. 258.) 



G. Deltosoma. 



(p. 258.) 



o* Antennae corpore multùm longiores, 9 brèves, 

 dentatœ , artic. 3° seq. vix longiore ; elytra apice bis- 

 pinosa; prost. et mesost. append. productœ : G. Pteracantha. 



(p. 259.) 



