AS J. THOMSON. — SYSTEMA CERAMBYCIDA RUM. 
Antennæ graciles, subbreves, artic. 3° cæt. sing. 
longiore, apud 5* breviter spinoso, artic. 4° tenuis- 
simè spinosulo; prothorax globosus; femora postica 
corpore paulù breviora ; tibiæ posticæ arcuatæ : 
Antennæ longiusculæ , artic. 3° seq. ferè ter lon- 
giore, artic. 3-4 apice intus spinosis ; elytra basi bi- 
gibbosa; femora clavata, postica corpor. extrem. 
manif. transientia ; tibiæ posticæ arcuatæ , tarsor. 
post. art. 1U$ seq. paulù longior : 
Antennæ corpore breviores, artic. 3° seq. duplô 
longiore , art. 3-4 inermibus ; elytra basi bigibbosa; 
femora clavata, postica corpore longiora ; tarsor. post. 
artic. 415 seq. manif. longiore : 
o* Antennæ corporis longitudinis, artic. 3° seq. 
vix longiore ; prothorax elongatus, postice attenua- 
tus ; elytra depressiuscula ; femora sub-clavata , pos- 
tica corpor. extrem. haud attingentia ; tarsor. post. 
art. 105 seq. ferè dupl longiore : 
Antennæ bPreviusculæ, artic. 1° crasso, artic. se- 
quentibus subæqualibus ; oculi ferè rotundati: pro- 
thorax elongatus, convexus, ante basin valdè con- 
strictus ; elytra basi bispinosa, deinde valdè convexa ; 
tarsi subæquales, robusti : 
4e DIVISION. — Antennæ elongatæ, artic. ultimo 
(PuRPURICENITÆ.) appendiculato seu diviso ; man- 
(p. 495.) dibulæ aliq. subbifidæ ; protho- 
rax subglobosus, sæpiss. later. 
armatus ; scutellum general. 
normale, rar magnum ; femora 
cylindrica : 
+ Scutellum magnum : 
o Caput magnum ; mandibulæ magnæ; labrum 
biprojectum ; oculi parvi ; antennæ corporelongiores, 
apud © multum breviores, artic. 3° seq. longiore ; 
prothorax later. armatus ; prost. et mesost. append. 
productæ ; 5° femora postica corpore paul longicra : 
G. Oligoenoplus. 
(p. 195.) 
G. Apelocera. 
(p. 195.) 
G. Euderces. 
(p. 195.) 
G. Tillomorpha. 
(p: 195 .) 
G. Clytellus. 
(p. 195.) 
G. Euryphagus. 
(p. 196.) 
