128 
Euchone, 108. 
Eunice, 108. 
Eupagurus, 92. 
Feather-stars, 75. 
Fiddler-crab, 81. 
Fishes, 120. 
Fishing-frog, 122. 
Fistularia, 125. 
Flustra, 112. 
Foraminifera, 116. 
Fulgur, 17. 
Gammarus, 96. 
Gebia, 93. 
Gelasimus, 84. 
Goose barnacles, 104. 
Halcampa, 71. 
Half-bill, 125. 
Hemiramphus, 126. 
Hermit-crabs, 89. 
Hippa, 95. 
Hippocampus, 124. 
Hoppers, 95. 
Horse-muscle, 52. 
Horseshoe crab, 99. 
Hydractinia, 24. 
Idotea, 97. 
Jelly-fishes, 63. 
King-crab, 99. 
Lace-corals, 111. 
Lepas, 106. 
Limnoria, 97. 
Limulus, 101. 
Littorina, 24. 
INDEX. 
Lobster, 93. 
Loligo, 9. 
Lophius, 122. 
Lumbriconereis, 108. 
Mactra, 34. 
Meduse, 63. 
Megalops, 86. 
Melampus, 31. 
Mellita, 77. 
Membranipora, 112. 
Metridium, 70. 
Microscionia, 115. 
Modiola, 52. 
Mole-crab, 95. 
Molgula, 55. 
Moon-fish, 124. 
Moss-polyps, 110. 
Muscle, 51. 
Mya, 36. 
Mysis, 94. 
Mytilus, 51. 
Nassa, 21. 
Natica, 27. 
Nautilus, 14. 
Nereis, 108. 
Nonionina, 119. 
Nucula, 50. 
Obelia, 62. 
Ocypoda, 87. 
Ommastrephes, 12. 
Ophiura, 75. 
Opossum-shrimp, 94. 
Orchestia, 95. 
Oyster, 45. 
Palemon, 94. 
Pandora, 44. 
