Referee's report by James Peter Hill, on a paper 'Studies on the embryology of the African migratory locust, Locusta migratoria migratorioides R. and F. - I - The early development, with a new theory of multi-phased gastrulation among insects' by Mithan Lal Roonwal Sectional Committee: Zoology Recommended for publication in the 'Philosophical Transactions of the Royal Society'. [Published in the Philosophical Transactions of the Royal Society] Endorsed on verso as received 15 January 1936. [January 1936]