Page:Field Notes of Junius Henderson, Notebook 3.pdf/70

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valley we noted two distinct terraces on each side thus: ((drawing in field book)). Did not visit the higher one, but the lower is covered with a cap of boulders, as at Boulder Boulder, Colorado. About 2 miles up the valley on south side the dip in the Mancos shales is a little east of south. There we found in abundance an Ostrea Ostrea and numerous fragments of a large species of an Inoceramus Inoceramus which I cannot recognize. At that point the north slope was strewn with small Oreohelix Oreohelix (dead shells) and under Amelanchier alnifolia Amelanchier alnifolia and Cercocarpus parvifolius Cercocarpus (mt. mahogany) [ed. not C. parvifolius] we found numbers of live ones, mostly under the former, only two or three under the latter. Collected a lot of them, thinking they may be new. Also found under a plank near a ditch a Succinea Succinea and several Agriolimax Agriolimax (small specimens). In the ditches and small overflow sloughs of the river