10. 
18. 
19. 
20. 
RHYNCHOPHORA. 
lateral angles produced downwards in the plane of the de- 
clivity. (= Platypi plicati, Chap.) . oe . 
Apex of elytra narrowed and produced horizontally into two 
processes, usually triquetrous at their extremity ; interstices 
not evidently alternate before the apical third. (= Platypi 
trispinati, Chap.) 
. Ist interstice spined or at least angulated at the summit of the 
declivity . . 
Ist interstice gradually declivous 
. 1st interstice spined at the apex, more or less recessed under its 
extremity . 
Ist interstice angulated and not recessed . 
. 8rd, 5th, and 7th interstices spined at apex (length under 8 
millim.) . . 
3rd, 5th, and 7th interstices angulate | at apex but not spined 
(length 11 millim.) Le ee ee 
Spine of the 9th interstice not situate nearer the apex than the 
preceding spines . - oe ee Loe ee . 
Spine of the 9th interstice situate nearer the apex than the two 
preceding spines . 
. Last abdominal segment not tuberculate . 
Last abdominal segment with a strong tubercle . 
. Sulci deep and well-marked 
Sulci shallow, the interstices not elevated before the declivity . 
. Sulci coarsely multipunctate (length 11 millim.) 
Sulci not evidently punctured (length under 7 millim.) 
. Apical margin of the elytra rounded or truncate 
Apical margin emarginate in the middle, with the lateral angles 
produced obliquely downwards 
5. Sulci before the apex wider than the 2nd, 4th, and 6th interstices. 
Sulci narrower than the interstices . 
. 2nd, 4th, and 6th interstices shining, narrowly elevated . 
2nd, 4th, and 6th interstices dull, nearly obliterated 
_ 8rd interstice strongly carinate on the declivity and produced 
over the apical process to its outer border : 
3rd interstice not strongly carinate nor produced on to the 
apical process . Lo . 
Elytral interstices longitudinally sulcate . 
Elytral interstices shining, punctured . 
Apical processes evidently triquetrous . 
Apical processes obtusely rounded . 
Apical margin of elytra angularly emarginate, the forehead not 
carinate. . . . . soe . os 
Apical margin of elytra subtransverse, the forehead carinate 
wt 8 
w 
10. 
(fortis, sp. n.] 
11. 
deyrollei, Chap. 
auritus, Chap. 
umbonatus, sp. n. 
13. 
obliteratus, sp. n. 
reichei, Chap. 
exaratus, Sp. 0. 
15. 
17. 
16. 
discolor, sp. 1. 
liratus, sp. 0. 
imporcatus, sp. n. 
dolabratus, sp. n. 
quinque-costatus, Chap. 
cribricollis, sp. u. 
19. 
dejeani, Chap., and 
rugulosus, Chap. 
rotundatus, Chap. 
limbatus, Chap. 
discicollis, Chap. 
