410 J. THOMSON. — SYSTEMA CERAMBYCIDARUM. 
8° DIVISION. — Frons declivis; oculi intus lnnu- 
(NECYDALITÆ.) lati; antennæ inter oculos in- 
(p. 147.) sertæ ; elytra sæpè abbreviata ; os 
sæpiss. haud acuminatum ; ab- 
domen elongatum, subcylindri- 
cum : 
+ Elytra elongata, normalia : 
Antennæ breves, artic. 1, 2, 3, cæteris sing. bre- 
vioribus ; prothorax lateral. valdè productus ; seutel- 
lum magnum, triangulare ; mesost. append. producta : 
Antennæ nec corporis longitudinis. artic. 1, 2, 3, 
cæteris sing. brevioribus ; prothorax lateral. inermis; 
scutellum magnum, triangulare; elytra apice obliquè 
truncata et 4-dentata; prost. et mesost. append. 
productæ : 
g Antennæ corporis longitudinis, artic. 3-4 æqua- 
libus; prot. later. spinosus ; elytra apice 4-dentata ; 
prost. et mesost. append. laminiformes : 
Antennæ robustæ, dentatæ, artic. 3° seq. paul 
longiore ; prothorax lateral. armatus; prost. et me- 
sost. append. laminiformes; pedes robusti : 
Antenntæ 12-articulatæ, (juxta Dom. Chev.) artic. 
30 quincto æquale; prothorax later. obtusè armatus ; 
prost. et mesost. append. aminiformes ; abdominis 
seg. penult. ciliatum, ultimum valdè excavatum : 
Antennæ breves, nodosæ, artic. 3° seq. longiore; 
prothorax trapezoïdalis, angulis posticis acutis pro- 
ductis ; pedes mediocres : 
Caput prothorace latius ; antennæ filiformes; ely- 
tra apice rotundata ; corpus filiforine ; pedes tenues : 
Corpus elongatum, lineare ;  antennæ crassius- 
culæ, corpore pauld breviores, artie. 3 et 4 conjunctim 
nec 5° longioribus ; prothorax lateral acutè tnbercu- 
latus; pedes mediocres ; tars. post. artie. 115 duabus 
sequent. æquens. 
+- + Elytra abbreviata : 
&, Cheloderus. 
(p. 148.) 
G. Oxyreltus. 
(p. 148.) 
G. Sybilia. 
(p. 148.) 
&. Dorcasemus. 
(p. 149.) 
@, Megaproctus. 
(p. 149.) 
G. Desmocerus. 
(p. 149.) 
G. Encyclops. 
(p. 149.) 
G. Pyrotrichus. 
(p. 149.) 
