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P 188 end of the baranca, X-bedded fine green sandstones, withes lenses and bands of red sandstone, numerous large concretions of the same sandstone. In places the rock is "fucoidal" (R 129). Following this bed laterally there appear in the upper part lenses of coarse, hard, grey Xbedded sandstone, sometimes (when somewhat finer grained) with filled sun-cracks and other subacrial markings. The upper part also grades laterally into thin bedded platy , grey fine sandstones. In these no marine fossils were observed. At profile FA the exposed part of the Banco Verde equivalent is almost entirely composed of these atypical non-marine sediments ? thin - bedded grey sandstone in broad lenses overlying & grading laterally & vertically into thicker fine and very coarse X-bedded grey to somewhat greenish sandstones. These contain innumerable pieces of fossil wood, from large trunks about 2'in diameter down to fine twigs. In places the rock is full of small pieces of solidified twigs, ivory or cream colored to bright green, & one leaf was found (P 192) P 189 LAS VIOLETAS Specimens 333. Armadillo scute. Profile p. 191, 6.6.5. 4/3/31 1 pack. 28488 334. Crocodile skeleton. Found by Olegario Garcia Fanjul. Collected by party. Profile p. 190. 4/3/31 1 block, 1 pack 3219