270 
or 
10. 
ll. 
12. 
13. 
14. 
15. 
16. 
RHYNCHOPHORA. 
. Declivity of elytra excavate or retuse . . . . . 2 ee 
Declivity convex, impressed aiong the suture alone, and laterally callose 
and bituberculate . . . . oe ew 
. Declivity excavate or retuse, with teeth or tubercles situate on the 
raised margins alone. . . . . re 
Declivity retuse or subexcavate, its fundus toothed or tuberculate 
. Margins of the declivity with one or more large spines or truncate 
teeth 2. 2. 2. 1. ee ee ee ee . 
Margins of the declivity with small pointed tubercles alone 
. Species larger: black, piceous, or in part deep ferruginous . . 
Species smaller: testaceous, with the front of the prothorax and the 
sides and apex of the elytra clouded . . . . . . 
. Margins of the declivity each with five teeth, the first three small, the 
lower pair large and conjoined oe 
Margins of the declivity with less than five teeth each . 
. Margins of the declivity each with three teeth, the first very small: . 
Margins each with two teeth . Loe 
First marginal tooth a small tubercle remote from the suture 
First marginal tooth large, approximate to the suture . . . . 
Margins of the declivity each with two small tubercles succeeded by a 
pointed spine ee ee ee 
Margins each with a pointed spine succeeded by a rectangular tooth 
Species black or piceous; the elytra indistinctly lighter at the 
extremities . 2... 1. ee ee ee 
Species more or less testaceous; the front of the prothorax and sides 
and apex of the elytra infuscate or blackish . . . . . . 
Prothorax with a distinct transverse discal elevation ; side-margins of 
the elytral declivity ridged before the first tubercle . . . . . 
Prothorax with no distinct discal elevation; side-margins of the 
declivity rounded and not definitely ridged before the first tubercle. 
Declivity obcordate, glabrous, with a large blunt tooth on each side 
near the apex . . «©... ee 
Declivity subcircular, pilose, tuberculate . . . soe 
Elytra rather strongly punctured; margins of the declivity toothed 
above near the suture. . . . 2. 2 1. 1 ee 
Elytra subimpunctate ; margins of the declivity unarmed . 
Prothorax piceous, margined laterally ; elytra distinctly punctured . 
Prothorax with apex at most infuscate, not margined laterally; elytra 
feebly punctured . 2. 2. 2. 1. ww ee ee 
Head simple in front, not fringed Lo woe eee 
Head with frontal fringes or brushes, excavate in front or deeply 
impressed near each eye. (Cosmocorynus, Ferr.) 
10. 
validum, Ferr.* 
8. 
tomicoides, sp. 0. 
9. 
preruptum, sp. n. 
melanura, sp. i. 
bispinum, sp. 1. 
lobatum, Ferr. 
12. 
laterale, Kichh. 
hoeget, sp. n. 
luctuosum, sp. 1. 
bidens, sp. n. 
14. 
terminatum, sp. n. 
egenum, Sp. Nn. 
glabrifrons, sp. n. 
mali, Fitch. 
17. 
24. 
* The antenne of the type being missing, the species is included in this part of the table on the evidence of 
other points of structure. 
