Note 65 — II. ITS FREQUENCY, AND THE CAUSES THEREOF.
Reading edition
Twelfth Registration Report to the Legislature of Massachusetts, 1853, p. 116. The truth of this statement has been corroborated by Dr. Curtis, in his Report on the Census of Boston in 1855. City Document, 1856, p. 22. Also, Fifteenth State Registration Report, 1856, p. 179.