LIST or ILLUSTRATIONS. 



FIG. 



33. Cribdla oculaia, 



Si. Morphology of OpMwroidea, . 



35. Comatula rosacea, , 



30. Ehizocrinus Lofotensia, 



37. Cystidean, .... 



38. Holothurian, 



39. Morphology of Tceniada, 



40. Morphology of Trematoda, 



41. Morphology of Turbellaria, 



42. Free Nematodes, 



43. Morphology of Botifera, . 



44. Diagram of an Annuloae Animal, 



45. Syrinx nudua, 



46. Section of an Annelide, 



47. Morphology oi Sirudinea, 



48. Morphology of TuMcola, 



49. Moi-phology of Errant Annelides, 



50. Lohster, 



51. Spiny Spider-crah, 



52. Morphology of Isopoda, 



53. King-crah, 



64. Plerygotus Anglicus, . 



65. Morphology of Trilobites, 



56. Fresh-water Entomostraca, 



57. Morphology of Cirrypedia, 

 57i. Morphology of Podosomata and Acarina. 



58. Scorpion, .... 



59. Theridion riparium, . 



60. Scolopendra, 



61. Millipede, .... 



62. External Anatomy of Insect, 



63. Digestive Apparatus of Beetle, 



64. Metamorphosis of Magpie-moth, 



65. Aphis fdbce, .... 



66. Cockroach, 



67. Migratory Locust, 



68. Aphis-lion, 



69. Termes iellieosus, 



70. Tipula oUracea, . 



71 . Larva, Pupa, and Imago of Cabbage-butterfly, 



72. Gooseberry Saw-fly, 



73. Myrrmca rufa, 



74. Cockchafer, 



75. Diagram of a MoUusk, 



76. Morphology of Polyzoa, . , 



77. Plustra, Valheria, and LopTiopus, 



78. Morphology of Tunicata, 



