11.5 



DYTISCUS, Linneus. 



DYTICUS, Geoffroy. 



HYDROPHILID^l and DYTICID^l, Leach. 



Linnean Species. 



Country. 



Genera of Authors. 



1. Piceus 



England 



Hydrous, Linneus, MSS. 



2. Caraboides 



England 



Hydrophilus, Auctorum. 



3. Scarabseoides 



England 



Hydrobius, Leach. 



4. Fuscipes 



England 



Hydrobius, Leach. 



5. Luridus 



England 



Berosus, Germar. 



6. Latissimus 



Germany 



Dyticus, Geoffroy. 



7. Marginalis 



England 



Dyticus, Geoffroy. 



8. Semistriatus 



England 







9. Striatus 



England 



Colymbetes, Clairville. 



10. Fuse us 



England 



Colymbetes, Clairville. 



11. Cinereus 



England 



Graphoderus, Eschscholtz. 



12. Sticticus 



Barbary 



Eunectes, JErichson. 



13. Sulcatus 



England 



Acilius, Leach. 



14. Erythroeephalus 



England 



Hydroporus, Clairville. 



15. Maculatus 



England 



Necticus, Hope. 



16. Ferrugineus 



England 



Haliplus, Latreille. 



17. Bipustulatus 



England 



Necticus, Hope. 



18. Ovatus 



England 



Hyphidrus, Illiger. 



19. Palustris 



England 



Hydroporus, Clairville. 



20. Uliginosus 



England 



Necticus, Hope. 



21. Bimaculatus 



France 



Phaleria, Latreille. 



22. Granulans 



England 



Hydroporus, Clairville. 



23. Minutus 



England 



Laccophilus, Leach. 



1. Natator 



2. Americanus 



GYR1NUS, Linneus. 



England 

 N. America 



Gyrinus, Auctorum. 

 Cyolous, JEscJischoltz. 



I 2 



