Study of Genera of Coleoptera. 2 19 



DuFTscHMiD (Faun, Aust. i.) forms two genera. 



p. 205. Sph^rites . Hist, glahratus, Fabr. 

 304. Philydrus . P. Megerlei, n. sp. 



= Elmis, Latr., 1802. 



1806. 



Clairville (Ent. Helv. ii.) sub-divides the Linnteau 

 genera Carahus and Dytiscus, illustrating the typical 

 species, and giving the dissections. He does not, how- 

 ever, indicate which species is dissected. 



C. modestus, Fabr. [ = Pery- 



phus, Meg.) . 

 C. ruhens, Fabr. 

 C. pumicatus. 



C. gibhus, Fabr. 

 G. planus, Fabr. 

 G. bipustidatus, Fabr. 

 G. humeralis, Fabr. 



= Gymindis, Latr., 1806. 



D. parvulus ( = incequaUs) . 

 D. striatus, Fabr. 

 D.fulvus, Fabr. 



= Ealipl'us, Latr., 1802. 

 222. NoTERUS . B. crassicornis, Fabr. 



DuMERiL (Zool. Anal.) gives also a synopsis of the 

 genera of the order, adding two new genera. 



p. 194. NoTHioPHiLus [Notio-] Elaph. aquaticus, Linn. 

 226. OxYSTOMA . Att. vicicB, Payk. 



■=: Apion, Herbst. 

 [Oxystoma, Steph., 1832, typ. A. genistce.'] 

 Hyphydrus . Hygriohia, Latr., 1804. 



Gravenhorst (Mon. Col. Micr.) re-arranges the 



Staphylinidce. 



n. 7. LoMECHUSA . L. emarginata, Latr., 1810. 



[=:Ate7neles, Steph.) . 

 9. EviESTHETUs . E. sctther, n. sp. 

 p. 174. Gymnusa (Karst.) Aleoch. excusa, Grav. 



Illiger (Mag. Ent. v. 297) proposes — 



Acrocinus . for Ger. longimanus, Linn. 

 (II Macropus, Thvmb.) . 



