[97]

“English Sanitary Institutions,” part i. chap. i. Sir John Simon. (Cassell & Co.)

[98]

“English Sanitary Institutions,” part i. chaps. iii., iv., v., vi. Sir John Simon. (Cassell & Co.)

[99]

“The Family and the Nation,” chap. i. Whetham. (Longmans.)

[100]

“Selected Essays and Addresses by Sir James Paget, F.R.S.”—“The Chronometry of Life,” Royal Society Croonian Lecture, May 1859. Edited by Stephen Paget, F.R.C.S. (Longmans & Co.)

[101]

“The Diurnal Course of Efficiency.” Howard D. Marsh. (The Science Press, N.Y.)