Second referee's report by Francis Hugh Adam Marshall, on a paper 'Studies on the nature of the amphibian organization centre - VII. Evocation by some further chemical compounds' by Conrad Hal Waddington Sectional committee: Zoology Recommended for publication in Proceedings, now that the paper has been approved by a biochemist. [Published in Proceedings of the Royal Society A, 1938]. Endorsed on verso as received April 1938. April 1938