Other Molluscs.
Body form and structure, [245.]—Development, [246.]—Classification, [246.]—Clams, scallops, and oysters (Pelecypoda), [246.]—Snails, slugs, nudibranchs, and "sea-shells" (Gastropoda), [252.]—Squids, cuttlefishes, and octopi (Cephalopoda), [255.]
XXIII.—BRANCH CHORDATA: THE ASCIDIANS, VERTEBRATES, ETC.
Structure of the vertebrates, [259.]—Classification of the Chordata, [260.]—The ascidians, [261.]
XXIV.—BRANCH CHORDATA (CONTINUED).
Class Pisces: The Fishes.
Example: The golden sunfish (Eupomotis gibbosus) [Laboratory exercise]. External structure, [263.]—Internal structure, [265.]—Life-history and habits, [270.]
Other Fishes.
Body form and structure, [271.]—Development and life-history, [276.]—Classification, [277.]—The lancelets (Leptocardii), [277.]—The lampreys and hag-fishes (Cyclostomata), [278.]—The true fishes (Pisces), [279.]—The sharks, skates, etc. (Elasmobranchii), [279.]—The bony fishes (Teleostomi), [281.]—Habits and adaptations, [285.]—Food-fishes and fish-hatcheries, [288.]