Referee's report by Allen Thomson, on a paper 'Observations on the nervous system of Aurelia aurita' by Edward Albert Sharpey-Schafer Recommended for publication in the 'Philosophical Transactions of the Royal Society'. Refers to work of Albert von Kölliker, Max Johann Sigismund Schultze and George John Romanes. Sees no reason to doubt the observations and conclusions of the author. Suggests the author avoids speculations, refer more fully to previous researches and give clearer reasons for his conclusions. Subject: Physiology [Published in the Philosophical Transactions of the Royal Society, 1878] 8 March 1878