SYSTEM A CFRAMBYCIDARUM. 21 



Typ© : T. Maculosus Thomson Le. Mexique, 

 o o Antennar. articuli a 4° normales : 



27. Demophoo Thomson N, G. 



G. Thryallis approximatus, sed praeeipuè antennarum art, 

 2° manifesté spinoso subito dignoscîtur ; corpus crassum, brève ; 

 antennae 12-articulatEe, art. 2° intus sat valdè in spiha prolongato, 

 art. 3 — 4 autem intus spinosis, (in 4° spina obtusa), art. 3° cœteris 

 singulis longiore, art. 12° parvo, unguiculato ; prothorax valdè 

 transversus, subinermis ; elytra posticè dehiscentia, apice subro- 

 tundata ; prosterni et mesosterni appendices laminiformes ; pedes 

 subaequales. 



Type : Demophoo harnalus Chabrillac Arch.Ent. I, p. 199. [Ony- 

 chocerus). Brésil. Staturœ Thryallis undati, albicans, nigro-punc- 

 tatus ; antenn. articuli a 3° apice nigri. 



28. Acaisthotritls White. 



Cat. Br. Mus. Long. p. 404. 

 Type:;!. Dorsalis White 1. c. Brésil. 



29. Xylotribus Serville. 



Ann. Soc. Ent. 1835, p. 80. 



Type:X. Heterocerus Serville I. c. Cayennc. 



30. Criopsis Thomson. 



Ess. Class. Céramb. p. 340. 



Syn. Criomorphus Dej. Cat. 1837. p. 363. 



Type : C. Curtus Thomson 1. c. Brésil. 



31. Gymnocerus Serville. 

 Ann. Soc. Ent. 1835, p. 84. 



Type : G. Scabripennis Serville 1. c. p. 85. Cayenne» 



32. Cyclopeplus Thomson. 



Ess. Class. Céramb. p. 32. 



Type: C. Batesii Thomson 1. c. Amaz. 



6 e DIVISION. Anisocerit». 



Frons magna ; antennae elongatse, articulis plurimis scopigeribus 

 (Trigonopeplo excepto) ; acetabula antica extus angulata -, tibias 



