SYSTEMA CERAMBYCIDARUNM. 89 
longiore, art. 4-6 subæqualibus, artic. 7-10 gradatim decrescenti- 
bus, art. ultimo precedente longiorè post medium diviso, divisione 
artic. 12 simulante; prothorax lateraliter spinosus ; elytra elongata, 
apice in caudis 2 divaricatis acutis prolongata ; prosterni et mesos- 
terni appendices laminiformes ; pedes breves cylindrici ; tarsi me- 
diocres. 
Type : Urœcha Bimaculata Thomson. 
Long. 25 Mill. Lat. 6 Mill. 
Ubiquè pube ferruginea obtecta ; prothorax tuberculis nigris 
parvissimis irregulariter dispositis ornatus ; elytra basi sparsim 
tuberculata, deindè obsoletè punctata, post medium maculis 2 
brunneis magnis obliquis suturæ non confluentibus ornata ; abdo- 
men huc et passim nigro-punetatum. Japon. 
999. AmEcHaxa Thomson N. G. 
Corpus elongatum, parallelum, depressiusculum ; frons ad an- 
tennarum basin distinctè biprojecta ; ,; antennæ corpore multum 
longiores, articulis 5-5 subæqualibus, cœteris gradatim decrescenti- 
bus ; prothorax elongatus, cylindricus, lateral. sub-obtusè tubercu- 
latus, anticè et posticè transversim constrictus ; scutellum parve ; 
elytra elongata, depressiuseula, apice largè truncata ; prosterni et 
mesosterni appendices laminiformes ; pedes breves ; tarsi me- 
diocres. 
Type : Amechana Nobilis Thomson. 
Long. 24 Mill. Lat. 7 Mill. 
Griseo pubescens nigrovariegatus, caput, antennæ, prothorax, 
pedesque subferruginea : prothorax dorso tubereulis nigris irregu- 
laribus ornatus, medio lævis ; elytra basi tuberculata et punctata ; 
corpus subtus pedesque Iævia. Malasia. 
293. Dourri4 Thomson. 
Arch. Ent. If, p. 194, et Voy. au Gabon. 
Type : D. Lupanaria Thomson I. c. Gabon. 
294. PHarsania Thomson N. G. 
Frons ad antennarum basin biprojecta ; « antennæ corpore mul- 
