SPTNY-RAYED PISHES. 59 



number of Families^ many of which can be alluded to here by name 

 only :— 



1. PercidtB (Perches). 3. Berycidce. 3. Aphreduderidm. 4. 

 il/M^S<te (Red Mullets). 5. ,SjB«nW« (Sea-Breams). 6. Squami- 

 pinnes (Coral-fishes). 7. Cirrhitidee. 8. Scorpcenidee. 9. Cottidce 

 (Bullheads, Gurnards). 10. Trachinidce (Weevers), 11. Scite- 

 niddB (Meagres). 12. Polynemidm. 13. Sphyroenida (Barra- 

 cudas). 14. Trichiuridm (Hair- tails). 15. Scombridts (Mackerel). 

 16. Ca/'flH^irfas (Horse-Mackerels). 17. XiphiidcB {Sword-Hshes). 

 18. Gobiidas (Gobies). 19. Discoboli (Lumpsuckers). 20. 

 Oxudercidce. 21. BatracMdce. 22. Pediculati (Prog-fishes). 

 23. Blenniidce (Blennies). 24. Acanthoclinidm. 25. Come- 

 phorida. 26. Trachypteridm (Ribbon-fishes). 27. Lophotidee. 

 28. Teuthididce. 29. Acronuridce (Surgeons). 30. Hoplo- 

 gnatUdae. 31. Malacanthidee. 32. Nandides. 33. PolycentridcB. 

 84:. Labyrinthici. So. LuciocephaliddB. 36. Atherinida (Atherines). 

 37. MugilidcB (Grey Mullets). 38. OphiocepJialidcB. 39. Tri- 

 chonotidm. 40. Cepolidce (Band-fishes). 41. Gobiesocidce. 42. 

 Psychrolutidce. 43. Centriscidm. 44. Gastrosteida (Stickle- 

 backs). 45. Fistulariidte (Flute-mouths). 46. Mastacembelida. 



The Acanthopterygians occupy Wall-cases 1 to 14, and skeletons 

 are exhibited in Table-cases 1 and 2. 



The Percidts, or Perch-family (Cases 1-5), constitute a large [Cases 

 family of which the common Freshwater Perch [Perca fluviatilis) is •'•""'^•l 

 the best-known example. This fish is generally distributed over 

 Europe and Northern Asia, and equally common in North America. 

 The Bass {Labracc) are common on the coasts of Europe and in the 

 fresh waters of North America [L. lineatm,<L. ru/us, See.) ; the 

 best-known European species (L. lupus) is an inhabitant of the 

 sea, entering brackish but never fresh water. 



The Pike-Perches (Luciopercd) are inhabitants of lakes and 

 rivers of Europe, temperate Asia, and North America; the European 

 species (L. sandrd) is one of the most esteemed freshwater fishes, 

 and attains to a length of 3 or 4 feet and to a weight of from 

 25 to 30 lb. The Black Bass of North America {Huro nigri- 

 cans) is an esteemed food-fish, the introduction of which into 

 Germany is an accomplished fact. The Sea-Perches proper {Ser- 



