586 J. THOMSON. — SYSTEMA CERAMBYCIDARUM. 
 Antennæ corpore magis quam duplè longiores, 
artic. 3° apice valdè dilatato, seq. vix longiore; pro- 
thorax medio lateral. subtilè spinosus ; prost. et me- 
sost. append. laminiformes : 
Antennæ corpore longiores, artic. 3° seq. vix lon- 
giore ; prothorax lateribus posticis subtile spinosus ; 
prost. et mesost. append. laminiformes; pedes 
robusti : 
Antennæ corpore pauld longiores, artic. 3° seq. 
multum longiore; prothorax lateribus posticis valdè 
spinosus; elytra convexa ; prost. et mesost. append. 
laminiformes ; pedes robusti : 
G. Rhodopis. 
(p. 90.) 
G. Theocris. 
(p. 90.) 
G. Planodema. 
(p. 90.) 
22e GROUPE. DORCASCHEMITÆ. 
x Prothorax lateral. spinosus : 
& Antennæ corpore multum longiores, graciles, 
artic. 3° seq. longiore ; prothorax elongatus ; elytra 
paul convexa ; prost. et mesost. append. lamini- 
formes ; pedes breves : 
X X Prothorax lateral. inermis : 
o Pedes graciles, elongati,  antici cæteris 
 longiores : 
Ss Antennæ corpore ferè duplà longiores, artic. 3° 
seq. longiore; prothorax elongatus , cylindricus ; 
elytra parallela ; prost. et mesost. append. lamini- 
formes, illa angusta, hac valdè dilatata; ç* pedes 
antici elongati : F 
Antenn. artic. 34 longissimus seq. quasi dupld 
longior : 
o Antennæ corpore magis quam duplù longiores, 
artic. 3° seq. valdè longiore; prost. et mesost. ap- 
pend. laminiformes, angustatæ ; pedes elongati; fe- 
mora postica corporis extrem. transientia; tarsi 
breves ; 
G. Xenolea. 
(p. 91.) 
G. Olenecamptus. 
(p. 91.) 
G. Authades. 
(p. 91.) 
G. Cylindrepomus. 
(p. 94.) 
