136 _ RHYNCHOPHORA. 
spaces not standing out as ridges; the surface is consequently more shining. The 
other character is derived from the elytral pubescence ; this is usually of two kinds 
—a single series of erect bristles along the middle of each interstice, and an irregular 
series of shorter and more decumbent hairs on either side of the mesial series. The 
degree to which each of these two forms of hairs is developed varies very much in 
different species. In C. strigicollis the mesial series is comparatively fine and escapes 
observation unless the insect is looked at sideways. 
1. Prothorax shining, its punctures neither close nor strigose . . . . punctatus, sp. Nn. 
Prothorax with close strigose or aciculate punctures . . . ~ 2 2 
2. Prothorax more or less dull, its punctures coarser, longitudinally con- 
fluent, and separated by narrow elevated interspaces. . . . . . 38. 
Prothorax slightly shining, its punctures fine, less confluent, the inter- 
spaces not elevated (except very feebly in C. pullus). . . . . . 8. 
. . _ . porcatus, sp. n., and 
8. Elytral interstices divided by a sulcus into two narrow costae . . . { 
costulatus, sp. 0. 
Interstices not sulcate . . . a 
4, Form oblong-oval, prothorax evidently transverse, abdomen convex . Jecontei, sp. n. 
Form oblong, prothorax not or scarcely transverse, abdomen nearly 
flat 2. we ee ee ee eee ee ee ee OB 
Eyes not closely approximate above. . . . . . . . «+ « « « 6. 
or 
Eyes almost contiguous above, elytral setze conspicuous from the base, 
the hairs very fine. . 2. 2. 6. 2 1 1 we ew ee ew we ee) 6focularis, sp. n.] 
6. Erect setz of the elytra coarse, pale, and conspicuous. . . . . . 7%. 
strigicollis, Lec., 
[and gibbus, Chap. | 
7. Elytral sete and hairs long, chaffy; size3 millim.. . . . . . . paleatus, sp. n. 
Erect sete finer, dark and not conspicuous . . ..... - 
Elytral sete and hairs short and stout; size2millim. . . . . . setulosus, sp. n. 
8. Form elongate, elytra pubescent on the declivity . . . . . .. Y. 
Form not elongate, elytra glabrous . . . . . . . . . . « «+ pullus, sp. n. 
9. Elytral strie shallow, pubescence hair-like . . . . ... =. =. (10. 
Elytral strize deep, incised, interstices convex towards the apex, pubes- 
cence very short, subsquamous .... . . . ee e ~~ [teres, sp. n.] 
10. Prothorax narrower at base than the elytra and widened towards the 
middle, its punctures confluent, strigose. . . . . elegans, sp. 0. 
Prothorax as wide as the elytra, parallel-sided behind the middle, its 
punctures not confluent. . . . . 1 ee ee ee ee gracilis, sp. 1. 
1. Cnesinus punctatus, sp.n. (Tab. VI. fig. 8.) 
Oblongus, nitidus, piceus ; prothorace transverso, sat subtiliter punctato, linea media levi, punctis ad apicem 
solum subaciculatis ; elytris punctato-striatis, striis postice profundioribus, interstitiis convexis, punctis 
subtilibus confuse notatis, in declivitate uniseriatim tuberculatis et longe setosis. 
Long. 2°6 millim. 
