Lingard, J. W, Adams, R. G, Harrison, J. M, Harrison, J. M & Attlee, H. G / December 1964 – vol. 57, issue 12–392 SIRS,--While not seeking to prolong this correspondence unduly, for there is more than a grain of truth on either side, I feel that some reply is called for to Mr. Reginald Wagstaffe's letter (antea, pp. 319-320). May I point out at once that I do not dispute for one moment that colour changes in cabinet speciments do occur. That is obvious to anyone with experience in these matters. Also I would l... This article is only available to registered users.To read more, please log in or purchase a subscription.