— — in America, extent of, C. G. Ehrenberg, xlvi, 307.

— — of the Upper Missouri, Nicollet, xli, 180; xlv, 153.

— strata of New Jersey, C. Lyell, xlvii, 213.

— — of New Jersey, (green-sand) foraminifera in, xli, 213.

— — of New Jersey, fossil crocodile in, S. G. Morton, xlviii, 265.f

— formation in N. Jersey, list of fossils in, S. G. Morton, xlviii, 267.

— period in United States, H. D. Rogers, xlvii, 251.

Crichtonite in Connecticut, xxxv, 179.

—, (variety Washingtonite) in Connecticut, C. U. Shepard, xliii, 364.f

—, in Rhode Island, xxxv, 180.