Referee's report by John Edward Lennard-Jones, on a paper 'The elastic constants and specific heats of the alkali metals' by Karl Fuchs Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. Suggests giving an indication of how the velocity of the elastic waves depends on the direction of propagation. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on verso as received 18 June 1936. June 1936