Referee's report by James Paget, on a paper 'Discovery that the veins of the bat's wing (which are furnished with valves) are endowed with rythmical contractility, and that the onward flow of blood is accelerated by each contraction' by Thomas Wharton Jones Recommended for publication in the 'Philosophical Transactions of the Royal Society'. Refers to own work, and how the current paper dissents from his observations. Subject: Physiology, Zoology [Published in the Philosophical Transactions of the Royal Society] 23 February 1852