326 
COLEOPTEEA. 
Heterotaxis, p. 791. Differs from Vitellius in its much more elongate 
propleural triangle, its epistoma much more contracted between the 
eyes, its antennae distinctly attenuated and not dentate, &c. H. myrmi- 
don, p. 792, pi. xxxviii. fig. 4, Mysol. 
Mesogenus, p. 793. Connects the preceding genera with Agdstocerus ; 
prosternal sutures conspicuously arched, metathoracic episterna almost 
entirely concealed. For Fornax austrocaledonicus, Perroud, and M. 
mellii, p. 795, Java. 
Agastocerus, p. 797. Posterior tarsi much shorter than the tibia, 
tarsi lamellated. A. signaticollis, p. 798, pi. xxxix. fig. 1, Sarawak. 
Soleniscus, p. 827. Differs from Galba and allies in the strongly and 
deeply excavated prosternal furrows. S. mutahilis, p. 828, pi. xl. fig. 3, 
Malasia. 
Lissothyreus, p. 847, subg. of Pterotarsus, for P. tuherculatus, Luc., = 
histrio, Gu4r. (of which hrasiliensis. Cast., is a var., other varr. being 
described), and other known species. 
Thylacosternus, p. 855, Different in facies from, but with many affinities 
to Pterotarsus ; never tuberculate, epistoma rather wider, and with the 
reflected margin of the elytra gradually attenuated behind. For P. 
walckenaeri, Gu^r., ^.-vittatus, Redt., and T. subcostatus, p. 857, pi. xli. 
fig. 6, Columbia, pulchellus, p. 80 1, fig. 8, Cayenne, Amazons, rubricollis, 
p, 863, Cordova, nigrinus, p. 864, pi, xlii. fig. 2, Mexico, bivittatus, 
p. 867, fig. 3, longicollis, p. 869, fig. 1, Ega, bifasciatus, p. 869, Plaga 
Viceiite, pulcher, p. 871, fig. 4, and var. fig. 5, Cayenne, Icetus, p. 873, fig. 6, 
afflictus, p. 874, fig. 7, Brazil. 
Microrrhagus arduus, Rio Janeiro, goudoti, pi. xxvii. fig. 1, New 
Granada, p, 561, bruchi, p. 563, inconsultus, p. 564, fig. 2, Ceylon, 
lateralis, p. 567, fig. 3, Makian, rugosipennis, p. 569, fig. 4, basalis, 
p. 570, fig. 6, picturatus, p. 572, fig, 7, Mysol, &c., unicus, p. 575, fig. 8, 
Teapa, asiaticus, p. 576, fig, 9, Singapore, longicornis, p. 577, pi. xxxviii. 
fig. 1, Carpathian Mts., striolatus, p. 579, fig. 2, Brazil, egregius, p. 580, 
Rio Janeiro, flabellatus, p. 582, fig. 3, Am, New Guinea, angustulus, 
p. 583, fig. 4, Batchian, rarus, p. 584, fig. 5, Xulla, odiosus, p. 586, fig. 6, 
Sarawak, dilutus, p. 587, fig. 7, Ega, terminatus, p. 588, fig. 8, New 
Fribnrg, crassus, p. 590, fig. 9, Sarawak, Singapore, suturalis, p. 591, 
pi. xxix. fig. 1, Victoria, mucidus, p. 593, Louisiana, subparallelus,p,. 6^4:, 
fig. 2, New Guinea, minimus, p. 596, fig. 3, Sarawak, impressicollis, 
p. 599, fig. 5, Texas, New Orleans, lansbergi, p. 601, pi. xxvii. fig. 5, 
Caraccas, advena, p. 602, Rio Janeiro, meticulosus, p. 604, pi, xxix. 
fig. 6, N. America, Cordova, interpositus, p. 605, fig. 7, Brazil, Bogota. 
Farsus exoticus, p. 623, pi. xxx. fig. 5, E. Indies, obscurus, p. 624, fig. 6, 
Mexico, elevatus, p. 626, fig. 7, Ega. 
Emathion foveicollis, p. 638, pi. xxxi. fig. 2, Brazil, New Fribnrg, 
finxius, p. 640, Cayenne, Mexico, steinheili, p. 893, Columbia. 
Nematodes mannerheimi, p. 651, pi. xxxi. fig. 4, Mexico, infuscatus, 
p. 653, fig. 5, New Granada, conjunctus, p. 658, fig. 7, Caraccas, micros, 
p. 660, New Fribnrg, collaris, p. 663, fig. 9, ? Louisiana, Brazil, 
sumatrensis, p. 664, pi. xxxii. fig. 1, Sumatra, major, p. 668, fig. 3, Vic- 
