"Phil.

Mag." 1864, page 293.) for the third or fourth time; but Lyell says when I read his discussion in the "Elements," I shall recant for the fifth time.

(179/3.

This refers to a discussion on the "Connection of the predominance of Lakes with Glacial Action" ("Elements," Edition VI., pages 168-74).

Lyell adheres to the views expressed in the "Antiquity of Man" (1863) against Ramsay's theory of the origin of lake basins by ice action.) What a capital writer Tyndall is! In your last note you ask what the Bardfield oxlip is.