. The Canadian record of science. Natural history. Notes on Fossil Woods. 499 "Dermal or flesh spicules very abundant, minute birotu- lates of unequal size, averaging about inches in length; shafts slender, cylindrical, occasionally spined; outer surface of rotules dome shaped ; rays prolonged, ter- minations acute ; irregularities frequent. Mixed with occa- sional linear, spined spicules. " Spicules upon statoblast fundamentally smooth, robust fusiform, pointed, averaging 0. 0015 inches in length, gene- rally having as many as from one to twelve spines unsym- metrically scatt
. The Canadian record of science. Natural history. Notes on Fossil Woods. 499 "Dermal or flesh spicules very abundant, minute birotu- lates of unequal size, averaging about inches in length; shafts slender, cylindrical, occasionally spined; outer surface of rotules dome shaped ; rays prolonged, ter- minations acute ; irregularities frequent. Mixed with occa- sional linear, spined spicules. " Spicules upon statoblast fundamentally smooth, robust fusiform, pointed, averaging 0. 0015 inches in length, gene- rally having as many as from one to twelve spines unsym- metrically scattered along the shaft, which is placed tan- gential to the chitinous coat of the ;. Spiculation of Spongilla Terr^: Nov^e, Potts. Notes on Fossil Woods from the Western Territories of Canada. By Sir William Dawson, , &c. (Abstract of a Paper read before the Royal Society of Canada.) Silicified wood occurs in the country west of Manitoba, in the true Cretaceous beds, in the Laramie and in the Miocene of the Cypress Hills. Consequently the numerous specimens in our collections, picked up loose on the plains, are of little palseontological value, as their sources are un- certain. The author had, however, obtained some speci- mens found in situ on the Boundary Commission Survey, which were described in the Eeport of Dr. G-. M. Dawson,. 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 Natural History Society of Montreal. Montreal, Natural History Society
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