. Annual report of the Regents. New York State Museum; Science. Genera of the ^N'orth American Palaeozoic Bryozoa. 503 ''Dissepi^nents short, strong and enlarged at their junction with the longitudinal rays. '^Fenestrules^ ^ong^ oval, or elliptical, rarely quadrangular, two to two and a half in two lines measured longitudinally ; four in two lines transversely. '^ Cells in two rows on either side of the midrib, most generally opposite to the two rows, and opposite on the two sides of the midrib, five to each fenestrule, or twenty inclusive of the two rows on either side. ^^Reverse^ fenestrules
. Annual report of the Regents. New York State Museum; Science. Genera of the ^N'orth American Palaeozoic Bryozoa. 503 ''Dissepi^nents short, strong and enlarged at their junction with the longitudinal rays. '^Fenestrules^ ^ong^ oval, or elliptical, rarely quadrangular, two to two and a half in two lines measured longitudinally ; four in two lines transversely. '^ Cells in two rows on either side of the midrib, most generally opposite to the two rows, and opposite on the two sides of the midrib, five to each fenestrule, or twenty inclusive of the two rows on either side. ^^Reverse^ fenestrules quadrangular from the want of expansion in the junction of the dissepiments; rays and dissepiments rounded, minutely tubular, ; This species differs from Fenestella in its flabellate mode of growth, and in having two rows of cell apertures on each side of a median carina. It differs from Flabelliporina, in having a median keel and it having uniformly four rows of cell Fig. 42. Fenestralia St. Ludovici. Frond natural size. Fig. 43. A portion enlarged. Eeteporella, Simpson. (Ann. Kept, of State Geologist of N. Y. for 1893.) Type, Reteporella undulata. (Plate 1, figs. 1-5.) Bryozoum consisting of infundibuliform or cup-shaped expan- sions, celluliferous on one face only ; branches sinuous or zig-zag,. 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
Size: 1783px × 1402px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorne, bookcentury1800, bookdecade1880, booksubjectscience
