. Annual report of the Regents. New York State Museum; Science. 530 Report of the State Geologist. celluliferous on both faces • ^ * * zooecia with subcircu- lar apertures; interspaces apparently solid at the surface; occu- pied by vesicular tissue internally. As growth ^proceeded, a gradually increasing deposit of minutely perforated calcareous laminae covered the lower and older portions of the^; (Meek and Worthen.) 87. Fig. 87. Evactinopora, illustrating various forms of this genus. Pachydiotya, Ulrich. 1882.) (Jour. Cin. Soc. J^at. Hist., Yol. Y, p. 152. Type, Pachydictya rohu
. Annual report of the Regents. New York State Museum; Science. 530 Report of the State Geologist. celluliferous on both faces • ^ * * zooecia with subcircu- lar apertures; interspaces apparently solid at the surface; occu- pied by vesicular tissue internally. As growth ^proceeded, a gradually increasing deposit of minutely perforated calcareous laminae covered the lower and older portions of the^; (Meek and Worthen.) 87. Fig. 87. Evactinopora, illustrating various forms of this genus. Pachydiotya, Ulrich. 1882.) (Jour. Cin. Soc. J^at. Hist., Yol. Y, p. 152. Type, Pachydictya rohusta, Ulrich " Zoaria varying from paralleled, margined, narrow branches, to large undulating expansions. The edges are acute and have a noncelluliferous border • * ^ ^ zooecia rising rather ab- ruptly from the mesial lamina, near which they have very thin walls; are broad elliptical or subquadrate in outline, arranged in longitudinal series, and partially separated from each other by small vesicles. Toward the surface their walls are thickened,. 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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