Pp. 474–485. Messrs W. Martindale inform us that the Lactic Acid Pessaries reported upon by Dr John R. Baker in the Journal of Hygiene, Vol. 34, pp. 474–485, are not recommended by them as a contraceptive. They are made to the order of a clinic. (Editor.)

P. 528, line 26, for “glucose media, and did not affect saccharose and maltose media” read “glucose and maltose media, and did not affect saccharose media”