83e

effect, a tendency direct (or oblique) outwards may be granted. independent of currents. — mud going out can actually be seen. — (The preservation of dikes & ledges of first-rate importance in showing not subaqueous removal — ??? the difficulty of such preservation certainly is lessened. — Coral flats. argument for Heaping up. — very good this will show effects. — analogous to broad flat sand beach. — De la Beches argument of low coast gaining & high loosing answered by this [sketch] No one can doubt. A−B once formed low coast. —

84e

Annales des Mines. a translation of paper by rose on Greenstone, diorite, &c most important.: — must be studied. — Scientific Memoirs Edited by Taylor Ehrenbergh on flints in chalk must be studied — though I do not think good p. 411 When discussing concretions Carbonate soda. formed by Ca. of L. & Mur. of Soda mixed. Turner's Chemistry p. 206