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Published online by Cambridge University Press: 15 September 2014
In my paper of January 18th (anté, p 537) I had assumed all directions of the line of centres at impact to be equally probable. The introduction of the true condition affects the average value of
by a numerical factor only; so that the proof of Maxwell's Theorem remains valid. The expressions for the separate average values of u2 and of uv, however, are altered more profoundly.
655 This paper appears in full in the Journal of Anatomy and Physiology, vol. p. 520, xx. 1886Google ScholarPubMed.