RHYNCHOPHORA. 
e’. Rostrum short and very stout, dilated beyond the middle; pro- 
sternum very short; tarsal claws with a long tooth . 
B. Mesosternum flat between the intermediate coxee and conically pro- 
tuberant in front. . 
f. Tarsal claws with a very long curved tooth, the two teeth sometimes 
nearly meeting at the tip; prothorax tuberculate. 
f’. Elytra with a series of tubercles on each of the alternate inter- 
stices, those on the third more elongate . 
g’. Elytra with all the interstices feebly convex . 
g. Tarsal claws with a shorter tooth. 
h’, Prothorax strongly bicarinate in front; elytra with the alternate 
interstices costate, and one or. more of the dorsal costz inter- 
rupted. 2... ee ke 
a’, Prothorax quadrituberculate; elytra with the alternate interstices 
strongly costate, the two inner cost twice interrupted . 
7. Prothorax without prominences on the disc. 
g”. Elytra with the alternate interstices interruptedly costate 
h’’. Elytra with the alternate interstices uninterruptedly costate 
C. Mesosternum broadly hollowed or depressed between the intermediate 
Coxe. . 
h, Elytra with prominent or spiniform humeri. 
k’, Alternate interstices (the third at the base excepted) not costate . 
i’. Alternate interstices costate toe ee ee 
i. LElytra subcordate, the humeri obtuse or rounded, the alternate inter- 
stices usually uninterruptedly costate. 
m’. Rostrum long, the antennz ( ? ) inserted near the middle 
n’. Rostrum shorter, the antenne (3) inserted near the tip 
D. Meso- and metasternum shallowly depressed down the middle, the 
cavity in the metasternum not clearly defined. 
Jj. Mesosternum thickened at the sides in front. 
o’. Elytra with the alternate interstices costate, the costee almost or 
quite uninterrupted. 
a’, Prothorax without prominences on the disc; pygidium exposed 
in the g* . Se ek . 
J. Prothorax tubereulate or granulate; pygidium not exposed in 
the ¢. 
a". Anterior femora with a very long straight tooth . 
j’’. Anterior femora with a short tooth . . 
p’. Elytra with the alternate interstices costate, the inner costz inter- 
rupted ; prothorax without prominences. . . . 
k. Mesosternum not thickened at the sides in front. 
q. Hiytra with the alternate interstices uninterruptedly costate 
throughout 
Species 137. 
Species 138, 139. 
Species 140, 141. 
Species 142-144. 
Species 145. 
Species 146-148. 
Species 149. 
Species 150. 
Species 151. 
Species 152. 
Species 153, 154. 
Species 155, 156. 
Species 157. 
Species 158, 159. 
Species 160-162. 
Species 163-165. 
* The male of C. validus is unknown. 
