Referee's report by Thomas Bell, 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'. The minor points in the paper add considerably to it's value. Subject: Physiology, Zoology [Published in the Philosophical Transactions of the Royal Society] 11 March 1852