. Annual report of the Regents. New York State Museum; Science. 420 Eeport of the State Geologist. 1883 Macgjllivaby. Proc. Koyal Soc. of Yictoria, Aug. 9. 1883 Caldwell. Proc. Koyal Society. 1884 Lahkester. Quart. Jour. Micro. Sc. 1884-6 Busk. Eeport on the Polyzoa collected by H. M. S. Challenger during the years 1873, 1874. 1885 Habmee. On Loxosoma. Quart. Jour. Micro. Sc, April. 1885 Laneestee. Encyclopedia Britannica, article Polyzoa. The Cell.* The typical Bryozoan, (fig. 1) is composed of a sac, with walls ormed of an inner and outer layer, the endocyst, Plate I, fig. 1,. Fig. 1, Diagra
. Annual report of the Regents. New York State Museum; Science. 420 Eeport of the State Geologist. 1883 Macgjllivaby. Proc. Koyal Soc. of Yictoria, Aug. 9. 1883 Caldwell. Proc. Koyal Society. 1884 Lahkester. Quart. Jour. Micro. Sc. 1884-6 Busk. Eeport on the Polyzoa collected by H. M. S. Challenger during the years 1873, 1874. 1885 Habmee. On Loxosoma. Quart. Jour. Micro. Sc, April. 1885 Laneestee. Encyclopedia Britannica, article Polyzoa. The Cell.* The typical Bryozoan, (fig. 1) is composed of a sac, with walls ormed of an inner and outer layer, the endocyst, Plate I, fig. 1,. Fig. 1, Diagram showing the structure of a single polypide of a Brj^ozoan (after Busk): t. Ten- tacles; m, Mouth; ce, CE^ophagus; s, Stomach; i. Intestine; a. Anus: z. Funiculus; x. Testis; o, Ovary; r. Retractor muscles; g, Nerve ganglion; v. Tentacular sheath ; cl, Perigastric space ; c, Ectocyst; or, Aperture of the zooecium (after Busk) . u, and the ectocyst, fig. 1, c, and PI. A, ^g. 1, v. The outer layer is usually chitinous or calcareous, though in some forms it is gelatinous and sometimes entirely wanting, though this is * In writing this paper on the recent Bryozoa I make no claim to original investigation, but have placed the results of the study of the literature of the subject in such a form that the student can readily obtain a clear idea of the morphology of these animals, as at present 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 New York State Museum; University of the State of New York. Board of Regents. Albany : J. B. Lyon, State Printer
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