Referee's Report by A S [Alan Sterling] Parkes on a paper 'The comparative behaviour of mammalian eggs in vivo and in vitro. II. The development of fertilized and artificially activated rabbit eggs' by G [George] Pincus Paper reference code: B.43 Recommended for publication in the Proceedings. Has discussed the results with the author, who is convinced that the two litters 'were truly parthenogenetic, and that there is no possiblity of mistake'. Recommends the opinion of a second referee to cover the 'cytology of the ova'. [Not published]. Received 5 October 1938 [October 1938]