SCIENTIFIC SURVEY. 

 Artedi's System. 



23 



Class I. — Fishes with tails placed perpendicularly (Pisces cauda 

 Perpendiculari. ) 



This class is divided into sections, orders and genera, as fol- 

 lows : 



A. — Fish with bony rays to the fins and bony gills. 



1. — Fins unarmed, Malacopterygii, (soft fins.) 



Genera. 



1. Syngnathus, Pipe fish. 



2. Cobitis, Loche. 



3. Cyprinus, Carp. 



4. Clupea, Herrings, S^c. 



5. Argentina, Argentine, Silver fish. 



6. Exocaetus, Flying fish. 



7. Coregonus, White fish. 



8. Osmerus, Smelt. 



9. Salmo, Salmon and Trout. 



Esox, Pickerel. 

 Echeneis, Sucking fish. 



'12. Coryphaena. 



13. Ammodytes. 



14. Pleuronectes, Halibut, Flounders. 



15. Stromateus. 



16. Gadus, Cod, Haddock. 



17. Anarrhichas, Wolf fish. 



( 18. Muraena, Eel. 

 ^19. Ophidion. 



One very small fin, or none at all, on C 20. Anableps. 



extreme part of back. (21. Gymnotus, Electrical Eel. 



Fish with one fin almost in middle of 

 back. 



One fin nearly in middle of back, and 

 one adipose fin near the end of back. 



One fin in further end of back. 



CIO. 



[n. 



One or more fins extending whole length 

 back. 



One long fin scarcely distinct from the 

 tail. 



Fish with smooth heads. 



< 



2. — Fish with bony fins, some of which are spines, Acanthopie- 

 rygii, (thorny fins.) 



'22. Blennius, Blenny or Slime fish. 



23. Gobius, Goby. 



24. Xiphias, Sword fish. 



25. Scomber, Mackerel. 



26. Mugil, Mullet. 



27. Labrus, Bass. 



28. Sparus, Gilt Head. 



29. Scisena. 



f 30. Perca, Perch. 



31. Trichiurus, Weever. 



32. Trigla, Gurnard. 



33. Scorpsena. 



34. Cottus, Bull-head. 



35. Zeus, Dory. 



36. Chaetodon, Beard-teeth. [belly. 



37. Gasterosteus, Stickle-back, Bony- 



' 38. Balistes, File fish. 



39. Ostracion, Coat of mail, Trunicfish. 



40. Cyclopterus, Sucker. 



41. Lophius, Angler. 



Fish with rough heads. 



Fish destitute of bony gills ; with gill- 

 coverings. "" 



