VIII ANIMAL RESOURCES OF THE UNITED STATES. 



Page. 



III. Reptiles — Continued. 



27. Testudinata, (tortoises) 12 



28. Lacertilia, (lizards) 12 



29. Ophidia, (serpents) 12 



IV. Amphibians 12 



30. Anura, (frogs) ,. 12 



31. Urodela, (salamanders) 13 



32. Proteida, (nienobrauchus, &c.) „. 12 



33. Trachystomata, (sirens) 13 



V. Fishes 13 



34. Pediculati, (anglers) 13 



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



36. Lophobranchii, (pipe-fishes, &c.) 13 



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



33. Teleocephali 13 



Heterosomata, (flat fishes) 13 



Auacanthini, (cods, &c.) 14 



Acantbopteri , (spiny-finned fishes) 14 



Percesoces, (mullets, &c.) 15 



Sy nentoguathi, (gar-fishes and flying-fishes) 15 



Haplomi, (pikes, &c.) 15 



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



Eventognathi, (carps) 15 



39. Nematoguathi, (cat-fishes) 16 



40. Apodes, (eels) 16 



41. Cycloganoidei, (amias) 16 



42. Rbombogauoidei, (gar-pikes) 16 



43. Selachostomi, (paddle-fish) „ 16 



44. Chondrostei, (sturgeons) 16 



VT. Elasmobraxchiates 16 



45. Holocepbali, (cbirrueras) 16 



46. Raia 1 , (skates and rays) 16 



47. Squali, (sharks) 1( 



VII. Marsipobranchiates If 



48. Hyperoartia, (lampreys) 77 



49. Hyperotreti, (bags) 17 



VIII. Leptocardiaxs 17 



50. Cirrostomi, (lancelets) 17 



IX. IXSECTS 17 



51. Insecta, (insects) 17 



52. Myriapoda, (centipedes, &c.) 17 



X . A i: achxeaxs 17 



53. Arachnida, (spiders) 17 



XI. Arthropods 18 



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



