314 
COLEOPTEEA. 
gosoma (cf. cz'^. p. 23), differing in the rostrum being slightly thickened 
behind the middle or at the base. P. (A.) sinuaticolle, p. 609, Malay 
Archipelago, glaherrimum^ Java, rotundicolle, Amboma,, fusirostre, Saylee, 
p. 610, vicinum, Sarawak, angiistulum, Batchian, p. 611, opaciiluin, 
Batchian, p. 612. 
Melarhmus, pp. 466 & 547. Rostrum broad, depressed, medially 
channeled, eyes very prominent, thorax constricted before apex, funi- 
culus compact, club narrow, not abrupt. M. nigritus, p. 614, Madagascar. 
Psilosomus, pp. 466 & 548. Somewhat Calandriform, opaque, bald, 
densely punctured, segments 1 and 2 of abdomen abnormally divided, 
rostrum thick, sub-cylindrical, thorax large and elongate, elytra coarsely 
sulcate. P. opacus, p. 614, Ceylon and Malayan peninsula (? = Cossonus ? 
hebes^ Walker). 
Lipancylus, pp. 468 & 550. Tibial hook obsolete, rostrum very long, 
slender and cylindrical, body narrow and parallel, thorax unconstricted, 
feet wide, much developed, claws minute, legs long and thickened, and 
approximated at base. Differs from Aorus, Sch., in segments 1 and 2 of 
abdomen being less elongate, 3 and 4 being considerably more so. L. 
inarmatus, p. 615, Amazons. 
Homaloxenus, pp. 469 & 552. Suggestive of the Erirhinides ; club 
annulated, rostrum long, straight, strigose, antennae apically inserted, 
femora uni-dentate, body very flat. H. dentijjes, p. 615, S. Domingo. 
Eucoptus, pp. 470 & 553. Size and facies of Pentarthrum and Sfeno- 
trupis, but funiculus 7-jointed ; real affinities with Stenotis ; segments 1 
& 2 of abdomen separated by a bi-arcuated line. E. depressus, p. 616, 
Amazons, Brazil. 
Rhopalomesites, pp. 472 & 555. Differs from Mesites proper in the 
male rostrum being longer and more slender, more widened at insertion 
(at or before the middle) of the thinner and longer antennae, of which 
the club is longer and more abrupt ; in the less incrassate head and more 
approximated eyes ; in the 3rd tarsal joint being appreciably bilobed, &c. 
if. tarda, Curt., complanatus, maderensis, persimilis, euphorbke, and 
proximus, Woll. 
Odontomesites, pp. 472 & 555. In male, femora sub-dentate beneath, 
and rostrum fringed with hairs at apex. More fusiform and depressed 
than Medtes. M.fusiformis, pubipennis, and hesperus, Woll. 
Megalocorynus, pp. 473 & 557. Club of antennae enormously deve- 
loped, and clothed with short pubescence, scape twisted and sub-com- 
pressed ; rostrum flattened and gradually contracted towards the base in 
the female, long and dilated in front in the male. Cossonus depressus 
and conicirostris, Boh. 
Stenotribus, pp. 474 & 558. Differs from Catolethrus in its medially 
inserted antennae, more parallel and cylindric rostrum, which is more 
divided from the forehead, very sunken eyes, very long and even thorax, 
simple 3rd tarsal joint, sub-equally separated coxae. &c. S. longicollis, 
p. 619, Bahia. 
Phacegaster, pp. 475 & 559. Differs from Catolethrus in its larger size, 
very much broader rostrum, which is gradually widened from base to 
jipcx, with the antcuniE inserted nearer the middle, its hinder femora and 
