Referee's report by James Clerk Maxwell, on the Bakerian Lecture 'On repulsion resulting from radiation. –Part V' by William Crookes Recommended for publication in the 'Philosophical Transactions of the Royal Society'. The paper is a continuation of a series by the same author. Suggests the title may be misleading, considering the author no-longer follows a theory of movement from radiation. The experiments conducted are valuable. Subject: Physics and Chemistry [Published in the Philosophical Transactions of the Royal Society, 1878] 23 January 1878