578 Mr. T. Vernon Wollaston on the 
individuals as pertaining to tlie same sex, in which case 
the outline of the rostrum may perhaps be only sexual. 
But, be this as it may, I suspect that they are specifically 
distinct from each other. 
99. EuTORNUS {iiov. gen.). — The two insects which I 
have described as members of the present genus are from 
Ceylon and the Malayan archipelago, — the one from the 
former having been communicated by Mr. Janson (to 
Avhom I have dedicated the species), whilst the other is 
from the collection of Mr. Pascoe and was captured by 
Mr. AVallace.* Indeed, judging from the many examples 
now before me, the Malayan representative would aj^pear 
to be Avidely spread over those particular islands, and also 
to be remarkably constant, or free from variation, — the 
types of it which I have examined having been obtained 
in NcAv Guinea, Morty, Tondano, Gilolo, and INIakian. 
The characters of the genus arc very similar to those 
of ConartJirus, and yet I feel satisfied that the two groups 
are essentially distinct, — Eutornus receding from the latter 
not only in the less parallel (or more fusiform) outline, 
and more lightly sculptured surface, of the insects for which 
it is established, and in the peculiarity of their colour, 
Avhich (instead of a nniform black) is riifo-ferruginous, 
with the anterior and posterior portions more or less suf- 
fused, or obscured ; but likewise in their rostriun being 
apparently ahvays linear, in their prothorax being less 
straightly truncated (or more subsinuated) at its base, in 
their scutellum not being tilted (or sub-perpendicular), in 
their elytra being (as in Heterarthrus) obscurely, and 
minutely, rounded-oflf, separately, at the extreme apex, 
and in the last joint of their feet being less conspicuously 
conical. Their first and second abdominal segments, too, 
are more convex, — having scarcely any tendency to be 
longitudinally hollowed-out, or concave. 
100. CoPTUS {nov. gen.). — The two curious and closely- 
allied little species on whicli the present genus is estab- 
lished have been communicated by Mr. Pascoe, and were 
taken by INIr. AA^allace in the islands of New Guinea and 
Sula, of the jNIalayan archipelago. Apart from their 
rather small size, parallel outline, subdepressed surface, and 
their rufo-piceous, or piceo-ferruginous hue, they may be 
• The E. duhius, from New Zealand, is less typical, and may perhaps 
be found eventually to pertain to a new but cognate genus, 
