Rock-pools—Work of Boring Mollusca—Process of Formation—Cork-wing—Natural History Illustration—Fish poisoned by an Anthea—Lucky Proach—Respiration of Fishes—Pipe-fishes—Persecutions of a Gammarus—A Male Wet-nurse—Butterfly Blenny—Shanny—Taking the Air—Freckled Goby—The Shore a profitable Field of Study, 195-220 IX.—SEPTEMBER. Ball’s Dredge—Old Oyster Dredge—Dredging—Sun-star—Cannibalism—Granulate Brittlestar—His Sad Fate—Angled Crab—Researches in Cods’ Stomachs—Nut-crabs—A Slow Coach—Bryer’s Nut-crab—Contents of a Dredge—Hermit-crabs—Cloaklet—Strange Association—Mystery of its Maintenance—Solution—Psychical Faculties, 221-247 X.—OCTOBER. Life in Tropical Seas—Portuguese Man-of-War—Its Structure—Bladder—Tentacles—Poisoning Powers—Effects—Dr. Wallich’s Objections—Gulf-stream—Velellæ—Stephanomia—Tongued Sarsia—Its Swimming-bell—Locomotive Powers—Tentacles—Forbes’s Æquorea—Luminosity—Crimson-ringed Aurelia—Its Transformations—Cydippe—Poetical Description of it, 248-273 XI.—NOVEMBER. Clarence’s Dream of the Sea Bottom—Diving-bell—Lobster-horn—Campanularia—Medusa-like Progeny—Scalpellum—Acorn Barnacles—Necked Barnacle—Pyrgoma—Cirriped Transformations—Tube-worms—Serpula—Its Shell—Hooks and Bristles—Gills—Stopper—Its Homology and Use—Sabella—Shell-tube—Gills—Soft-tube—Hook-plumed Sabella—Process of Tube-building, 274-297 XII.—DECEMBER. Squirters—Affinity with Bivalves—Test—Gill-sac—Branchial Cilia—Heart—Blood Circulation—Digestion—Tentacles—Eyes—Cynthia—Currant Squirter—Four-angled Squirter—Discharge of Eggs—Transformations—Compound Forms—Botrylli—Oceanic Forms—Pyrosoma—Its Luminosity—Sponges—Their Habitats—Various Species described with the Forms of their Spicula—Motives for Study—A Protest against prevalent Errors, 298-327

LIST OF ILLUSTRATIONS.