COLEOPTEllA. 
803 
1. rosterior troclianters acuminate. 2. ,/Echmites, g. il. 
2. Posterior troclianters obtuse .... 3. Pseudopuistonyciius, g. ii. 
C. Winged all the tarsi above and first 4 joints of the posterior beneath 
pilose. , . . 4. Platynomerus (Paid.). 
II. Sphodri gcniiini. Tarsi of the males sqiiamiiloso-pilose beneath. 
A. Apterous j head large ; tarsi naked. 6 . PseudotaphoxenUS, g. n. 
B. Apterous ; head elonga,te j tarsi pubescent beneath. 
6. CuYPTOTUicnus, g. n. 
0.' Winged ; posterior trochanters acuminate. 
1. Tarsi smooth 7. Spiiodiius (Olnirv.), 
2. Tarsi pubescent above . 8. Spiioduoides, g. n. 
D. Winged 5 posterior trochanters obtuse. 
9. LiEMOSTHENES, g. 11. 
E. Apterous; all the tarsi above, first 4 joints of posterior beneath^ 
pilose. 
, 1. Body and elytra testaceous or, piceo-ferrugiiious, subhyaline. 
10. Antisphoduus, g. n. 
2. Body iiigro-piceous or black, elytra blue or black. 
11. PllISTONYCIIUS (Dej.), 
The genus Spliodrus as restricted includes only S, leucophthalmus and S, 
Indus (Chaud.). . 
Motsciiulsky (Bull. Soc. Nat. Mosc. xxxviii. 2. pp. 232-233) gives the 
following tabular arrangement of the genera adopted by him for his new 
species. As many of theni will have to be referred to hereafter as new 
genera, it may save some trouble to reproduce the table here ; — 
A. Nine strim on each elytron. 
a. No small subscutellar stria at the base of each elytron. 
Genera: Microcephalus, J^urus, Omalosoma, Fercus, Vscudopercus, 
Stomis, Loxandrus, Logarus, Peditis, yilogus, Amastus, and 
Fortax. 
h. Small subscutellar stria distinct, 
t This striola placed between the suture and the first stria. 
Genera : Orhitus, Flatydcrus, Nortes, and Megadromus. 
tt This Stiiola placed between first and second stria3. 
0. Proiiotiim with a single impression on each side. 
Genera : BlentiiduSy Trirammatus, Platysma, Argutor, &c. 
00. Pronotum with 2 impressions on eacli side of the base. 
Genera : Dents, Dysidius, Sogines, Pcecilus, Orthomus, Pseudoor- 
thomus, Plcdarus, Padistrinus, Evarthrus, &c. 
B. Ten striae on eaefi elytron. 
«. No subscutellar striola. 
Genus : Phagadus. 
h. Subscutellar striola more or less distinct, 
t Striola between suture and first stria. 
Genera: Parky pates, Neuropates, Sarticus, Ettryperis, Diorychodcrus, 
Molops, Cheporus, &c. 
tt Striola between first and second striae. 
Genera : Pscudocryobius, Ternox, &c. 
Motschulsky (/. c.) tabulates the species contained in his collection belong- 
ing to the following genera of this group : — Perevs (Bon.), pp. 237-240 ; 
