The book A Preliminary Report On the Geology of Louisiana was written by author Atkinson George Francis Here you can read free online of A Preliminary Report On the Geology of Louisiana book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Preliminary Report On the Geology of Louisiana a good or bad book?
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1-5- Our specimen is too imperfect for satisfactory identification and I have therefore only referred it provisionally to this species. It agrees very closely with Lesquereux, fig. 3, above quoted. In red sandstone, ^ m. above Coushatta, La. Ficus harrisiana, n. sfi., Plate 46, fig, 2. Leaf about 31^ in. long by 3>^ in. broad across the middle ; constricted to a blunt (?) apex and wedge-shaped at the base ; margin entire and wavy ; three-nerved from the base and with two pairs of prominent sub-...opposite secondaries above ; midrib strongest, basal nerves branched from the lower side; all nervation finally thinning out and inosculating near the margin, tertiary nervation mainly at right angles to the primaries, secondaries, and sub-secondaries, but broken in places by finer cross reticulations. It is with hesitation that I have finally decided to place this leaf in the genus Ficiis. In some respects it suggests Aralia, and in others Hedera and in general appearance is not unlike 282 Geological Survey of Loulsiana [Sect.
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