Index Dytiscidarum. 



Subfamiliae, Tribus, Genera. 



Acaihodcs C. G. Thoms. 180 

 Acilius Leach 237 

 Aethionectes Sharp 235 

 Agabetes Crotch 146 

 Agabidius Seidl. 186 

 Agabini 147 

 Agabinus Crotch 153 

 Agabus Leach 153 

 Ägabus i. sp. Seidl. 181 

 Agametrus Sharp 148 

 Agaporus Zimmerm. 134 

 Aglymbus Sharp 147 

 AUonychus Zaitz. 180 

 Amarodytes R^g. 61 

 Anagabus Jakovl. 184 

 Andex Sharp 45 

 Anisomera Brüllt 195 

 Anisoinera J. Lee. 154 

 Anodoclieilus C4anglb. 60 

 Anodocheilus Lacord. 59 

 Anodochilus Babingt. 59 

 Anodontochilus R6g. 59 

 Antiporus Sharp 78 

 Apator Sem 185 

 Arctodyfes C. G. Thoms. 154 



Batrachomatus Clark 194 

 Bidessini 45 



Bidessodes R6g. 61 

 Bidessotvotus R^g. 61 

 Bidessus Sharp 46 

 ßrachyvatus Zimmerm. 46 



Canthydrus Sharp 9 

 Canthyporus Zimmerm. 133 

 Celina Aub6 135 

 Clypeodytes R6g. 46 

 Coclambus C. G. Thoms. 64 

 Coelhydrus Sharp 45 

 Colpius J. Lee. 5 

 Colymbetes Clairv. 209 

 Colymhetes C. G. Thoms. 208 

 Colymbetinae 136 



Colymbetlni 185 

 Copelatini 136 



Copelatus Er. 136 

 Coptotomus Say 194 

 Costonectes Sharp 63 

 Cybister Curt. 257 

 Cybisteter Bedel 257 

 Cybisterinl 255 

 Cymatopterus Boisd. 209 



Darwinhydrus Sharp 45 

 Deronectes Sharp 117 

 Derovatellus Sharp 30 

 Desmopachria Babingt. 37 

 Dichodytes G. G. Thoms. 154 

 Dytiscinae 215 

 Dytisclni 241 

 Dytiscus L. 241 

 Dytiscus i. sp. C. G. Thoms. 242 



Eretes Gast. 215 

 Eretini 215 



Eriglenus C. G. Thoms. 182 

 Eimecies Er. 215 

 Exocelina Braun 144 



Gaurodytes C. G. Thoms. 154 

 Graphoderes C. G. Thoms. 229 

 GrapJiothorax Motsch. 229 

 Graptodytes Seidl. 109 



Herophydrus Sharp 73 

 Heterhydrus Fairm. 36 

 Heteronychns Seidl. 180 

 Heterosternus Zimmerm. 107 

 Homoeolytrus Gobert 240 

 Homoeodytes R6g. 255 

 Huxelhydxus Sharp 45 

 Hydaticini 217 

 Hydaticus Leach 217 

 Hydaionyckus Kolbe 31 

 Hyderodes Hope 241 

 Hydrackna F. 39 



