390 



nodendrum , Oryctes , Geotrupes , Philenrus, Hexo- 

 dum , Rutela, Melolontha, Hoplia, Glaphyrus, Am- 

 phicoma, Anisomyx, Trichidius, Chrestomachilus, Pa- 

 chypus, Tr.ich.ius, Goliathus, Cetonia. 

 Divis. 3. Antennis 9-articulatis: Gen. Aphodius, Onkis, Co- 



pris, Onthophagus, Ateuchus, Gymnopleurus. 

 •— — A. Antennis 8-aiticuIatis : Gen. Sis_yphus. 

 Trib. 3. Histerddes, antennarum capitulo compresso subfoliato: 

 Gen. Hister, Hololepta. 



— A. Sphaeridildes , antennarum capitulo compresso perfo- 

 liato : 



Divis. i . pedibus gressoriis ; articuio tarsorum basali se- 

 cundo non breviore: Gen. Sphaeridium. 



«——2. pedibus natatoriis ; articuio tarsorum basali se- 

 cundo breviore: Gen. Hydrous, Hydrophilus, Lim- 

 nebius, Spercheus, Elophorus, Ochtebius, IJydraena. 



— 5. Sarrotriides , clava antennarum 8 - articulata , Gen. 

 Sarrotrium. 



•— 6. Gyrinides , clava antennarimi multiarticuîata : Gen. 



Heterocerus, Parnus, Gjrinus, Georissus. 

 — 7. Byrrhides , clava antennarum extrorsum crassiore : 



Gen. Nosodendrum , Chelonarium , Ryrrhus , Scaphidium, 



Anthrenus, Troscus. 

 •— 8. Ptlnides, clava antennarum articulis 3-majoribus elon- 



gatis : Gen. Dorcatoma , Anobium , Riphidium , Ptilinus, 



Xyletinus, Ptinus, Gibbium. 

 ~~ 9. Dermestide.s, clava antennarum oblonga: articulis ap- 



proximatis: Gen. Megatoma, Attagenus, Dermestes , By- 



turus, Cryptophagus. 

 — - 10. Silphaedes, clava antennarum ovata perfoîiata : Gen. 



Engis, Triplex, Tritoma, Ips, JVitiduIa, Strongylus, Cer- 



cus, Catheretes, Colcebicus, Peltis, Necrophoius, Necrop- 



terus, Silpha, Catops, Agyrtes. 



