— —, tidal, course of, in the Atlantic, W. C. Redfield, xxviii, 313.

— —, Gulf Stream, relation of, to an opposite current on the North American coast, W. C. Redfield, xxxii, 349.

— —, Gulf Stream, icebergs carried into, by the deeper polar current, W. C. Redfield, xxxii, 351, 352;

–lower temperature on shoals and shores due to the submarine current, 353.

— —, prevailing, and observations on tides, W. C. Redfield, xlv, 293.

— —, on ancient polar, W. C. Redfield, xliii, 152.

— —, effects of polar, W. C. Redfield, xlv, 326.

— —, of the north Atlantic and the drift ice, with a map, W. C. Redfield, xlviii, 373.

— —, Gulf Stream, existence of, determined by B. Franklin, xlvii, 162.

— —, — —, remarks on, M. F. Maury xlvii, 161;