. Annual report of the Regents. New York State Museum; Science. Genera of the E'orth American Palaeozoic Bryozoa. 581 MuNoiRYPA, Nicholson. (Pal. Tab. Corals, p. 320. 1879.) Type, Monotrypa undulata^ Nicholson. Zoarium irregularly massive, discoidal, subglobose or hemi- spheric. Cell tubes polygonal, prismatic, and very thin through- out their entire length, and often undulating or wrinkled transversely ; diaphragms remote or entirely wanting, except near the 15S — H Fig. 151. Monotrypa rectimuralis, natural size. Fio. 152. Transverse section, xl8. Fig. 158. Vertical section, xl8. Mo
. Annual report of the Regents. New York State Museum; Science. Genera of the E'orth American Palaeozoic Bryozoa. 581 MuNoiRYPA, Nicholson. (Pal. Tab. Corals, p. 320. 1879.) Type, Monotrypa undulata^ Nicholson. Zoarium irregularly massive, discoidal, subglobose or hemi- spheric. Cell tubes polygonal, prismatic, and very thin through- out their entire length, and often undulating or wrinkled transversely ; diaphragms remote or entirely wanting, except near the 15S — H Fig. 151. Monotrypa rectimuralis, natural size. Fio. 152. Transverse section, xl8. Fig. 158. Vertical section, xl8. Monotrypella, Ulrich. (Jour. Gin. Soc. Nat. Hist., Yol. Y, p. 173. 1882.) Type, Monotrypella cequalis, Ulrich. Zoarium ramose, branches cylindrical or flattened; cells tubular, polygonal, arising from the center of the branch, and more or less regularly curving to the surface. For the greater. 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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