VIII ANIMAL RESOURCES OF THE UNITED STATES. 



Page. 



III. Reptiles — Continued. 



27. Testudinata, (tortoises) 13 



28. Lacertilia, (lizards) - 12 



29. Ophidia, (serpents) 12 



IV. Amphibians 12 



30. Anura, (frogs) 12 



31. Urodela, (salamanders) 13 



32. Proteida, (meuobrauclms, &c. ) 12 



33. Trachystomata, (sirens) 13 



V. Fishes 13 



34. Pediculati, (anglers) 13 



35. Plectoguathi, (globe, trunk, and file fishes) 13 



36. Lopbobranchii, (pipe-fisbes, &c.) 13 



37. Hernibranchii, (sticklebacks, &c.) 13 



38. Teleocephali 13 



Heterosoniata, (flat fishes) 13 



Anaeanthiui, (cods, &c.) 14 



Acautbopteri, (spiuy-fiuned fishes) 14 



Percesoces, (mullets, &c.) 15 



Synentognathi, (gar-fishes and flying-fishes) 15 



Haplomi, (pikes, &c.) 15 



Isospoudyli, (salmon, herriug, &c.) 15 



Eventognathi, (carps) 15 



39. Nematoguathi, (cat-fishes) 16 



40. Apodes, (eels) 16 



41. Cycloganoidei, (araias) 16 



4 2. Rhomboganoidei, (gar-pikes) 16 



43. Selachostoini, (paddle-fish) , 16 



44. Cbondrostei, (sturgeons) 16 



VI. Elasmobrakchiates 16 



45. Holocephali, (chimseras) • 16 



46. Raise, (skates and rays) 16 



47. S.piali, (sharks) 16 



VII. Marsipobranchiates 17 



43. Hyporoartia, (lampreys) 17 



49. Hyperotreti, (hags) 17 



VIII. Leptocardians i 17 



50. Cirrostoini, (lancelets) 17 



IX. Insects 17 



51. Iusecta, (insects) 17 



52. Myriapoda, (centipedes, tic.) 17 



X. Ahachneans 17 



53. Arachnida, (spiders) 17 



XI. Arthropods 18 



54. Crustacea, (crabs, &c.) 1A 



