Part 51 (1/2)
Hydaticus, _Leach_.
festivus, _Ill_.
vittatus, _Fabr_.
dislocans, _Wlk_.
fractifer, _Wlk_.
Colymbetes, _Clairv_.
interclusus, _Wlk_.
Hydroporus, _Clairv_.
interpulsus, _Wlk_.
intermixtus, _Wlk_.
laetabilis, _Wlk_.
*inefficiens, _Wlk_.
Fam. GYRINIDae, _Leach_.
Dineutes, _Macl_.
spinosus, _Fabr_.
Porrorhynchus, _Lap_.
indicans, _Wlk_.
Gyretes, _Brulle_.
discifer, _Wlk_.
Gyrinus, _Linn._ nitidulus, _Fabr_.
obliquus, _Wlk_.
Orectochilus, _Esch_.
*lenocinium, _Dohrn_.
Fam. STAPHILINIDae, _Leach_.
Ocypus, _Kirby_.
longipennis, _Wlk_.
congruus, _Wlk_.
punctilinea, _Wlk_.
*lineatus, _Wlk_.
Philonthus, _Leach_.
*pedestris, _Wlk_.
Xantholinus, _Dahl_.
cinctus, _Wlk_.
*inclinans, _Wlk_.
Sunius, _Leach_.
*obliquus, _Wlk_.