21 



Gyrinidae. 



Geoffroy. 

 concinnus Kliig. 



striatus Aub. 



strigipennis Suifr. 

 striatus Fabr. 



strigosus Aub. 

 minutus Fabr. 

 urinator 111. 



rivularis Costa. 

 natator Scopoli. 



mergus Ahr. 

 v.natator Ahr. 



cercurus Schiodte. 

 v.marginatus Germ. 

 bicolor Payk. 

 V. angustatus Aub. 

 v.elongatus Aub. 

 Caspius Menetr. 

 distinctus Aub. 

 colymbus Er. 



Libanus Aub. 

 Suffriani Scriba. 

 marinus Gyll. 



lembus Schiodte. 

 V. dorsalis Gyll. 

 opacus Suffr. Sahlb.? 



aeneus Thoms. 

 Dejeanii Brull. 



aeneus Aub. 



nitens Suffr. 



Orectocliilus 



Lacordaire. 

 villosus Fabr. 

 Bellieri Reiche. 



Hydrophilini. 



Hydropliilus 



Geoffroy. 

 piceus Linn. 

 pistaceus Lap. 



inermis Lucas. 

 aterrimus Eschsch. 



Tropisteriius 



Solier. 

 apicipalpis Chevr. X 



Hyclrous 



Brulle. 

 caraboides Linn. 



V. scrobiculatus Panz. 



v.substriatus Sturm. 



V. smaragdiuus Bach. 

 flavipes Stev. 



Hyclrobius 



Leach. 



H., Enochrus. Auacaena 



Thoms. 



fuscipes Linn. 

 v.Arcadius Brulle. 

 oblongus Herbst. 

 cpnvexus Brulle. 

 bicolor Payk. 

 aeneus Germ. 



punctulatus Sturm. 



salinus Bielz. 

 scutellaris Rosh. 

 globulus Payk. 



limbatus Fabr. 

 punctatostriatus Letzn. 

 ovatus Reiche. 



Philltydrus 



Solier. 

 testaceus Fabr. 

 grisescens Gyll. 

 ferrugineus Kust. 

 melanocephalus v. Mls. 

 maritimus Thoms. 

 melanocephalus Fabr. 

 v.Pochropterus Marsh. 

 marginatus Dft.Redt. 

 nigricans Zett. 

 frontalis Er. 

 marginellus Fabr. 

 v.nitidus Heer. 

 politus Kiist. 

 ovalis Thoms. 

 coarctatus GredL 



Heloeliares 



Muls. 

 lividus Forst. 



griseus Fabr. 

 dilutus Er. 



melanophthalmus Mls. 



liaccobius 



Erichson. 

 minutus Linn. 

 pallidus Kiesw. 



globosus Heer. 

 nigriceps Thoms. 

 decorus Gyll. 

 Sardeus Baudi. 

 Revelieri Perris. 



Berosus 



Leach. 



Anchialus Thoms. 



bispina Reiche. 

 spinosus Stev. 



aericeps Curt. 



signaticollis Charp. 

 luridus Linn. 

 suturalis Linn. 

 affinis BruU. 



murinus Kiist. 



Hispanicus Kiist. 

 Salmuriensis Ackermann. 



liiitiiiebius 



Leach. 

 truncatellus Thunb. 

 papposus Muls. 

 truncatulus Thoras. 

 nitidus Marsh. 

 gyrinoides Aub. 

 picinus Marsh. 



atomus Duftschm. 



minutissimus Germ. 

 sericans Muls. et R. 

 evanescens Kiesw. 



CliaetartEiris» 



Stephens. 

 Cyllidium Erichs. 



seminulum Payk. 



Spercheini. 



Sperclieus 



Kugelann. 

 emarginatus Schaller. 



Helophorini. 



Heloiiiiorus 



Fabricius. 

 rugosus Oliv. 



Fennicus Payk. 

 nubilus Fabr. 

 V. Pfracticostis Fairm.. 

 alpinus Heer. 



