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V.—Physiography of the Lower Trias

Published online by Cambridge University Press:  01 May 2009

T. Mellard Reade
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Extract

Free discussion is a valuable aid to research when entered upon in a proper spirit. I am glad to see the contribution of Mr. Jukes-Browne to this subject, together with the letter from Prof. Bonney, in the May Number of the Geological Magazine.

Type
Original Articles
Information
Geological Magazine , Volume 7 , Issue 6 , June 1890 , pp. 260 - 263
Copyright
Copyright © Cambridge University Press 1890

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References

page 261 note 1 Geol. Mag. April, 1890.Google Scholar

page 262 note 1 Mr. Hunt asks, “Would Mr. Mellard Reade give his reasons for believing that waves ever cause surface particles in deep water to move in a vertical circle, or an ellipse, not very different from one having the longer axis vertical P” If Mr. Hunt will watch a cork floating in water on which wind waves are generated, he will, I think, see that the vertical oscillatory movement of the cork is as great as or greater than the horizontal. The composition of the two movements will give either a circle or an ellipse. This is no discovery of Mr. Eeade's, but a fact known to every physicist.

page 262 note 1 Kinahan's Manual of the Geology of Ireland, p. 138.

page 262 note 2 Ibid. p. 141.