. The Canadian naturalist and geologist. Natural history -- Periodicals. Fig. 4 a. C OJD OO^ gO0 [i:iii'^ri% Fig. 5 b Fig. 5 c Fig. 4. Prototaxites Logani. a, cross-section, magnified 40 diams., showing growth-line and medullary ray ; 6, longitudinal section (300 diams.) ; c, transverse section (300 diams.) nearly resembles the young succulent twigs of some modern conifers than their mature wood. A fine silicified trunk of this tree was brought from Gaspe by Sir W. E. Logan, and was shortly described in the ' Proceedings of the American Association' for Please note that these im
. The Canadian naturalist and geologist. Natural history -- Periodicals. Fig. 4 a. C OJD OO^ gO0 [i:iii'^ri% Fig. 5 b Fig. 5 c Fig. 4. Prototaxites Logani. a, cross-section, magnified 40 diams., showing growth-line and medullary ray ; 6, longitudinal section (300 diams.) ; c, transverse section (300 diams.) nearly resembles the young succulent twigs of some modern conifers than their mature wood. A fine silicified trunk of this tree was brought from Gaspe by Sir W. E. Logan, and was shortly described in the ' Proceedings of the American Association' for 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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