316 
COLEOPrERA. 
which are more widely separated, more equally and closely punctured 
thorax, longer metasternum, more approximate coxae, and 3rd joint of 
tarsi sub-bilobed. B. puncticollis, Mexico, minor, 'N. America, p. 627. 
Pachytrogus, pp. 484 & 569. Suggestive of Stereohorus and Stereo- 
ti'ihus, but with thicker and broader rostrum, depressed and less widely 
separated eyes, very coarsely and equally punctured thorax, &c. P. crassi- 
rostris, p. 627, Chili. 
Stereohorus, pp. 485 & 570. With very robust thick legs, tibias very 
short and broad, with terminal hook powerfully developed, front pair 
with a lamelliform triangular plate on the inner edge, head wider than 
in Cossonus, with more prominent eyes, longer thorax and more approxi- 
mate coxae. >S^. rohustus, New Guinea, affinis, punctirostris (& var. oblite- 
ratus, New Guinea), Malay Archipelago, p. 628. 
Stereotribus, pp. 486 & 571. Head narrower than in the preceding, 
rostrum slit behind and bearded beneath, eyes more prominent, lamel- 
liform process of tibiae armed inside at the base with a robust spine. S, 
scabrifrons smd Jissifrons, Malay Archipelago, p. 629. 
Stereotrogus, pp. 572 & 630 : sub-g. n. of Stereotribus, with rather 
longer rostrum, which is perceptibly narrowed towards the base, and a 
larger and longer club to the antennae. S. incisus and tuberculifrons, 
Ceylon, p. 630. 
Stereomimetes, pp. 486 & 572. Approaching Phacegaster in the spine 
of its posterior tibiae, but more allied to Stereotribus, from which it 
differs in its basally unsinuated thorax, more parallel elytra, &c. S. 
crassicornis, p. 630, Champion Bay. 
Stereoclerus, pp. 486 & 573. Parallel, cylindric, shining, convex, black, 
rostrum tuberculated above, barbed beneath, or with 3 slits at apex, 
limbs very robust, eyes large, very wide apart, and somewhat anterior. 
>S^. barbatus and simplex, p. 631, Malay Archipelago, ^acz/?cws, p. 632, Fiji 
Islands. 
Oxydema, pp. 487 & 574. Of elongate narrow fusiform outHne, at- 
tenuate before and behind ; with long slender rostrum, broadest in the 
anterior half, round prominent eyes, prothorax even, and constricted 
in front, anterior coxae very remote, &c. 0. fusiforme, Ceylon, attenua- 
tum, Dorey, p. 632, jjuncticolle, p. 633, Batchian. 
Notiosomus, pp. 488 & 574. Allied to the preceding, but less narrowed, 
especially behind, and with other small comparative differences. N. 
major, S. Australia, australis, Australia, p. 633, congener, p. 634, W. 
Australia. 
Aphanocorynes, pp. 488 & 575. Flatter than Oxydema, with quite 
parallel rostrum, much less developed club, and 3rd tarsal joint more 
evidently bilobed. A. depressus, p. 634, King George's Sound. 
Orthotemnus, pp. 489 & 575. Differs from the preceding in its elongate 
triangular thorax, which is very straightly truncated at the base, quite 
parallel elytra, which are separately recurved at the apex, posterior coxae 
not so distant as the others, &c. 0. reflexus, p. 634, Malay Archipelago. 
Conarthrus, pp. 491 & 577. Last joint of tarsi conical, not abbre- 
viated, club of antennae short, unacuminatc ; of elongate linear outline, 
densely punctured in front, with sloping scutellum, very flexuous front 
