. The Canadian naturalist and geologist. Natural history -- Periodicals. Fig. 1. a Lingula Lyelli. b Transverse section of L. Lyelli. c Young specimen of L. Lyelli. d Transverse section. e—f Lingula Mantelli. g Orthis grandceva, ventral valve. h Inside of same. i Side view. k—o Crinoidal columns. Fig. l—o. A Column two lines in diameter, composed of large and small joints, the former thin and widely projecting as in that portion of the Glyptocrinus ramulosus, which is next to the cup- I think that this is the column of a species of Glyptocrinus. See Fig. l-. Locality and formation.—Mingan Isla
. The Canadian naturalist and geologist. Natural history -- Periodicals. Fig. 1. a Lingula Lyelli. b Transverse section of L. Lyelli. c Young specimen of L. Lyelli. d Transverse section. e—f Lingula Mantelli. g Orthis grandceva, ventral valve. h Inside of same. i Side view. k—o Crinoidal columns. Fig. l—o. A Column two lines in diameter, composed of large and small joints, the former thin and widely projecting as in that portion of the Glyptocrinus ramulosus, which is next to the cup- I think that this is the column of a species of Glyptocrinus. See Fig. l-. Locality and formation.—Mingan Islands, Calciferous Sand- rock. Collectors.—Sir W. E. Logan, J. Richardson. Fig. 1—k, I. A smooth circular column, three lines in diameter, composed of thin equal joints, of which there are ten in three lines. The central canal is trilobed. See Fig. 1—7e, 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, Dawson
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