196 
10. 
11. 
12. 
13. 
14. 
15. 
16. 
17. 
26. 
27. 
. Declivity not tuberculate ; 
RHYNCHOPHORA. 
Elytra with feeble irregular punctuation ; apical margin of the pro- 
thorax subprominent in the middle Soe ee 
Elytra distinctly seriato-punctate ; apical margin of the prothorax 
regularly rounded . toe ee woe ee 
Elytra shining at the base, the declivity opaque, commencing before 
the middle . wo . 
Elytra uniformly shining, the declivity e commencing behind the middle. 
Prothorax entirely asperate, dull . . 
Prothorax shining and punctured at the base . 
Apex of the elytra convex, not carinate at the sides . oe 
Apex of the elytra flattened, dull, with a sharply carinate side margin . 
Elytral strie strong, crenate, the declivity uniformly tuberculate 
Elytral striz rather fine, the declivity with stronger tubercles near the 
suture . re 
Base of the prothorax dull, closely asperate ; “elytral declivity convex, 
not sharply margined . Soe ee 
Base of the prothorax shining and scantily punctured . see 
Declivity with setiferous tubercles on the alternate interstices : length 
over 6 millim. oo soe 
Declivity with setiferous tubercles on all interstices . 
Length over 3°5 millim. . 
Length not exceeding 2°5 millim. . 
. Front coarsely punctate . 
Front finely punctate . 
. Declivity very oblique, impressed, sharply margined below 
Declivity more or less convex, not sharply margined below 
elytral interstices multipunctate . 
Declivity tuberculate ; interstitial punctures uniseriate or absent 
. All interstices uniformly seriato-tuberculate on the declivity . 
Interstices not uniformly tuberculate on the declivity 
2. Declivity with series of tubercles on the first and third interstices, the 
second subimpressed and unarmed re 
Declivity with two or four prominent tubercles not forming part of a 
regular series 
. Body subacuminately narrowed behind . 
Body not subacuminately narrowed behind 
. Declivity convex, shining. 
Declivity somewhat flattened, subopaque, its tubercles very small 
. Elytral interstices punctured in rows 
Interstices with a few scattered punctures or impunctate . 
Elytra finely lineato-punctate, the sutural row not impressed 
At least the sutural row of punctures impressed . . . 
Declivity strongly and abruptly rounded, the apical margin obtuse . 
Declivity oblique, the apical margin strongly rounded. . . 
11. 
12. 
capucinus, Kichh. 
villosulus, sp. n. 
gilvipes, sp. N. 
13. 
14. 
spathipennis, Eichh. 
exuratus, Sp. i. 
interpunctatus, sp. N. 
rugicollis, sp. D. 
16. 
princeps, sp. i. 
17. 
18. 
posticus, Eichh. 
commixtus, sp. D. 
quadratus, sp. n. 
costaricensis, sp. 0. 
20. 
imbellis, sp. 0. 
2]. 
intersetosus, Sp. 0. 
22. 
23. 
2. 
cuneatus, Hichh. 
24. 
18 
affinis, Eichh. 
26. 
28. 
morulus, sp. D. 
27. 
intrusus, Sp. 0. 
propinquus, Eichh., & 6 4 
torquatus, Bich. 4 4 
