The Chemical and Bacterial Changes occurring in Sewage when Mixed with Sea-water,by J. E. PURVIS,M.A.,University Lecturer,Corpus Christi College,Cambridge (MEMBER);and G. WALKER,M.A.,M.B.,B.C.,Trinity College,Cambridge

Royal Commission on Sewage Disposal, Vol. VII. Evidence of Dr. Adeney and Prof. Letts.

Royal Commission on Sewage Disposal. 5th Report. Appendix VI., p. 55. Experiments by Dr. Adeney ; and the same report and appendix, experiments by Dr. Fowler.

Purvis and Coleman. Journ. R. San. I., Vol. XXVII., No. 8 (1906), p. 433.

Purvis and Courtauld. Proc. Camb. Phil. Soc., Vol. XIV., p. 441, and Vol. XV., p. 354.

Purvis, Macalister & Minnett. Proc. 7th Int. Congress. Applied Chemistry (1909), Sec. VIIIa., p. 272.

Purvis. McHattie & Fisher. Journ. R. San. I., Vol. XXXII., No. 9 (1911), p. 442.

Royal Commission on Sewage Disposal. 7th Report, Vol. II. Appendices, Part I., pp. 104-113. Experiments by Prof. Letts and Mr. Richards.

Letts. Journ. R. San. I., Vol. XXXIII., No. 1, p. 11.