Referee's report by John Scott Burdon-Sanderson, on a paper 'On the changes produced in the circulation and respiration by increase of the intra-cranial pressure or tension' by Walter Spencer and Victor Alexander Haden Horsley Recommended for publication in the 'Philosophical Transactions of the Royal Society'. The title does not accurately reflect the contents of the paper. The experimental method is not explained, and some statements made by the authors are difficult to understand. Suggests the title be altered and the important experiments explained fully. Subject: Physiology [Published in the Philosophical Transactions of the Royal Society, 1891] 21 September 1890