SPINY-RAYED FISHES. 59 



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

 only :— 



1. Percidce (Perches). 2. Berycida. 3. Aphredoderidce. 4. 

 Mullida (Red Mullets). 5. Sparidee (Sea-Breams). 6. Squami- 

 pinnes (Coral-fishes). 7. Cirrhitidee. 8. Scorpcenidce. 9. Cottida 

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

 nida (Meagres). 12. Polynemidce. 13. Sphyrcenida (Barra- 

 cudas). 14. Trichiuridce (Hair-tails). 15. Scombridce (Mackerel). 

 16. Cartmgidee (Horse- Mackerels). 17. Xipkiid<B-{S word-fishes) * 

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

 Oxudercidce. 21. Batrachidce. 22. Pediculati (Frog-fishes). 

 23. Blenniida (Blennies). 24. Acanthoclinidcs. 25. Come- 

 phorida. 26. Trachypteridce (Ribbon-fishes). 27. Lophotidce. 

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

 gnathida. 31. Malacanthida. 32. Nandida. 33. Polycentridce. 

 34. Labyrinthici. 35. Lucio cephalic! ce. 36. Atherinidae (Atherines). 

 37. Mugilida (Grey Mullets). 38. Ophiocephalidce. 39. 7W- 

 ckonotida. 40. Cepolidce (Band-fishes). 41. Gobiesocida. 42. 

 Psychrolutidce. 43. Centriscidce. 44. Gastrosteidce (Stickle- 

 backs). 45. Fistulariidce (Flute-mouths). 46. Mastacembelidce. 



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

 are exhibited in Table-cases 1 and 2. 



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

 family of which the common Freshwater Perch (Perca fluviatilis) is 

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

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

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

 fresh waters of North America (L. lineatus, L. rufus, &c.) ; the 

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

 sea, entering brackish but never fresh water. 



The Pike-Perches (I/uciopercd) are inhabitants of lakes and 

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

 species (L. sandra) 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- 



F 



