. Zoology for high schools and colleges. Zoology. '216 ZOOLOGY. feet are jointed, thus anticipating the jointed appendages of the Crustacea and Insects. The Annelides are divided into two suborders. The first suborder, Oligochmta, comprises Lumbricus, Nais, etc., while the second suborder, Chmtopoda, embraces Syllis, Autolytus, Nereis, Polydora, Aphrodite., and Polynoe, which are free- swimming, while the tubicolons worms which respire by spe-. FiG. J53. Fig. 152.âCisienides Gouldii, and tube.âAfter â Verrill. Fig. 153 âEuchone elegans, enlarged.âAfter Verrill. cial branchiae, or gills, o
. Zoology for high schools and colleges. Zoology. '216 ZOOLOGY. feet are jointed, thus anticipating the jointed appendages of the Crustacea and Insects. The Annelides are divided into two suborders. The first suborder, Oligochmta, comprises Lumbricus, Nais, etc., while the second suborder, Chmtopoda, embraces Syllis, Autolytus, Nereis, Polydora, Aphrodite., and Polynoe, which are free- swimming, while the tubicolons worms which respire by spe-. FiG. J53. Fig. 152.âCisienides Gouldii, and tube.âAfter â Verrill. Fig. 153 âEuchone elegans, enlarged.âAfter Verrill. cial branchiae, or gills, on tlie head, live in tubes of sand or in limestone shells. Those which live in sand or mud-tubes are Girratulus (Fig. 154:), Glymene and Clymenella (Fig. 150), which has no branchiae, AmpMlrile (Fig. 151), Terebrella, Cistenides (Fig. 162), Sabella, Euchone (Fig. 153), while Protula, FUograna,: Serpula, and Spirorbis secrete more or less coiled limestone tubes. The large solid shells of the Serpulge assist materially in building up coral Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Packard, A. S. (Alpheus Spring), 1839-1905. New York, H. Holt and Company
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