Letter from F H A [Francis Hugh Adam] Marshall to [John David] Griffith Davies, regarding 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 Marshall cannot guarantee the results of the paper, and is concerned about the fact that that fourteen of the young may have been born due to 'special circumstances'. [Not published]. 26 December 1938