═══════════╤═══════════╤═══════════╤═══════════╤════════════╤══════════ │IS THERE A │ METHOD OF │ DIGESTIVE │REPRODUCTION│ SENSES │ HEAD? A │ FEEDING │ORGANS AND │ │ │ NECK? │ │ DIGESTION │ │ ───────────┼───────────┼───────────┼───────────┼────────────┼────────── Amœba │ │ │ │ │ ───────────┼───────────┼───────────┼───────────┼────────────┼────────── Sponge │ │ │ │ │ ───────────┼───────────┼───────────┼───────────┼────────────┼────────── Hydra │ │ │ │ │ ───────────┼───────────┼───────────┼───────────┼────────────┼────────── Starfish │ │ │ │ │ ───────────┼───────────┼───────────┼───────────┼────────────┼────────── Earthworm │ │ │ │ │ ───────────┼───────────┼───────────┼───────────┼────────────┼────────── Wasp │ │ │ │ │ ───────────┼───────────┼───────────┼───────────┼────────────┼────────── Mussel │ │ │ │ │ ───────────┼───────────┼───────────┼───────────┼────────────┼────────── Fish │ │ │ │ │ ═══════════╧═══════════╧═══════════╧═══════════╧════════════╧══════════ [Illustration: FIG. 229.—DRAWING THE SEINE. ] [Illustration: FIG. 230.—SUNFISH. ] [Illustration: FIG. 231.—TUNNY. ] [Illustration: FIG. 232.—SWORDFISH. ] [Illustration: FIG. 233.—SWELLFISH. ] [Illustration: FIG. 234.—TURBOT. ] [Illustration: FIG. 235.—CARP. ] [Illustration: FIG. 236.—HERRING. ] [Illustration: FIG. 237.—SPECKLED TROUT. ] [Illustration: FIG. 238.—PERCH. ] [Illustration: FIG. 239.—SALMON. ] =Seven Food Fish. Three Curious Fish.= SPECIAL REPORTS. (Encyclopedia, texts, dictionary.) [Illustration: FIG. 240.—SEA HORSE (_Hippocampus_), with incubating pouch, _Brt_. ] [Illustration: FIG. 241.—BAND FISH. ] [Illustration: FIG. 242.—TORPEDO. Electrical organs at right and left of brain. ] [Illustration: FIG. 243.—LANTERN FISH (_Linophryne lucifer_). (After Collett.) ] [Illustration: FIG. 244.—LUNG FISH of Australia (_Ceratodus miolepis_). ] [Illustration: FIG. 245.—TRUNK FISH. ] [Illustration: FIG. 246.—SEAWEED FISH. × ⅕ (_Phyllopteryx eques_). ] =Remarkable Fish.= SPECIAL REPORTS. (Encyclopedia, texts, dictionary.) RECOGNITION GROUP CHARACTERS The commoner members of the several branches may be recognized by the following characters:— 1. The =Protozoans= are the only one-celled animals. 2. The =Sponges= are the only animals having pores all over the body for the inflow of water.
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