SYSTEM A CER AMBYCID ARUM . 



Type : M. Callidioïdes Serville 1. c. Cuba. 



285 



1010. Rhîpidocerus Wcstwood. 

 Trans. Eut. Soc. 1IÏ, p. 70. 



Type : R. Australasiœ Westwood 1. c. pl. 5, fîg 5. Australie. 

 + +• o*2 Antennœ simplices, nec imbricatse, nec pectinata?, 

 corpore breviores. 



1011. Orthosoma Serville. 

 Ann. Soc. Ent. 1852, p. 155. 



Type : 0. Pensylvanicum de Geer Mem. pl. 13, fig. 15. Amer, 

 bor. {Prionus,') 



Syn : Prionus CyHndricus Fabr. Syst. El. II, p. 231. 



Prionus sulcatus Palis, de Beauv. Ins. Afr. Amer. p. 226, pl. 

 55, fig. 4. 



Cerambyx brunncus Forster Cent. Ins. p. 57. 

 Cerambyx Unicolor Drury Ins. 1, pl. 57, fig. 1. 



3 e DIVISION. Anacanthit». 



o*$ Antennse corpore breviores, articulo 3° sat elongato, sequente 

 saltem duplo longiore ; o*Ç oculi supra sat distantes ; mandibulœ 

 subverticales; prosterni appendix mod. producta ; mesosterni 

 appendix laminiformis ; corpus elongafum, parallelum , vel sub- 

 depressum vel depressum. 



X Prothorax lateraliter armatus. 



1012. IIepiiialtès Thomson N. G. 



Inter Orthosomam et Toxeutem intermedium, a illo anlenn. 

 artic. 5° longitudine subito dignoscitur; corpus elongatum, paral- 

 lelum, subdepressum ; frons medio paulô sulcata ; o*$ oculi supra 

 distantes ; o* antennœ tertiam partem posteriorem attingentes , 

 ll-articulatœ, artic. 1° brève crasso, 3° sequente ferè duplô lon- 

 giore, cœteris gradatim decrescentibus ; prothorax transversus, 

 lateraliter utriusque parte tri-armatus, dentibus aliquibus parvibus 

 autem instructus ; scutellum subrotundatum ; elytra elongata, paral- 

 lela , subdepressa, latéral, marginata, apice ferè rotundata ; pros- 

 terni appendix mod. producta ; mesosterni appendix laminiformis; 



