534 Linmean Society, 



b. Species Indicae, 



22. P, cogtiatus, rufo-castaneus nitidus punctatus, elytris singulis plagA 

 magna nigra, capita antic^ linea tenui impressa : vertice impressionibus 

 duabus semicircularibus, antennarum clava subovatll basi extus in ha- 

 mum producta. — Long. corp. lin. 4. 



Hab. in Bengala. In Muss. D. D. Melly et Westermann. 



23. P. Hardwiclcii, Westw. Nepaul. 



24. P. Smmdersii, fulvo-rufescens subnitidus punctatus, capite thoraceque 

 obscurionbus, antennarum clav^ oblongo-ovat& basi extus in hamum 

 setigerum producta. — Long. corp. lin. 3f . 



Hab. in India Orientali. Mus. D. W. W. Saunders. 



25. (Sp. ined.), Latr. Isle of France. 



Obs. P. ruficollis, Fabr., is given by Dr. Ericbson as one of tbe Malachii, 

 and as identical with his Collops 4-maculatus. 



2. Platyrhopalus, Westw. 



1 (26). P. denticornis, Westw. East Indies. 



2 (27). P. unicolor, Westw. East Indies. 



3 (28). P. acutidens, Westw. Nepaul. 



4 (29). P. Westwoodii, Saund. East Indies. 



5 (30). P. angustus, Westw. East Indies. 



6 (31). P. Melleii, Westw. Malabar. 



7 (32). P. aplustrifer, Westw. Bengal. Certainly belonging to this genus. 



8 (33). P. ? leevlfrons, Westw, Senegal. 



9 (34). P. ? dentifrons, Westw. Senegal. 



3. Hylotorus, Dalm. 

 1 (35). H. bucephaluSf Gyll. Sierra Leone. 



4. Pentaplatarthrus, Westw. 

 1 (30). P. paussoides, Westw. South Africa. 



5. Lebioderus, Westw. 

 1 (37). L. Goryi, Westw. 



6. Ceratoderus. 



Corpus oblongum, depressum. Caput transverso-quadratum, postice collo 

 instructum, disco inter oculos bi-impressum. Antennce quasi 6-articu- 

 latse, articulis 4 intermediis transversis planis, ultimo semiorbiculari. 

 MaxillcB minutse, planse, corneae, apice acutae curvatae, intus sub apice 

 dente acuto armatse. Palpi maxillares 4-articulati, articulo magno 

 ovato, 3tio 4toque minoribus subcylindricis ; labiales articulo ultimo 

 prsecedente baud multo majori ovato apice truncato. Prothorax capite 

 vix latior, cordato-truncatus, trans medium linea impressa notatus. 

 Elytra oblongo-ovata, depressa. Pedes breviusculi ; femoribus tibiisque 

 compressis, his apice baud calcaratis ; tarsis distincte 5-articulatis, ar- 

 ticulo basali sequenti longiore. 



1 (38). C bifasciatus. 



Paussus bifasciatus, Kollar in Ann. Wien. Mus. 1836, t. 31. f. 7. a, b; 

 Westw. in Trans. Ent. Soc. ii. p. 91. pi. 10. f. 3. 



Hab. in India Orientali. 



7. Cerapterus, Swederus. 



1 (39). C. latipes, Swed. Bengal. 



2 (40). C. Horsfieldii, Westw. Java. 



3 (41). C 4-inaculatus, Westw. Java. 



