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Reported Mortality Rates of Cities for 1891 – Concluded.

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Estimated population of Pittsfield,

Total deaths, .

Estimated death-rate, Estimated population of Quincy,

Total deaths,

Estimated death-rate,
Estimated population of Newburyport,

Total deaths, .
Estimated death-rate,

320

18.08

13,988

394

28.16

ON THE

GEOGRAPHICAL DISTRIBUTION

OF CERTAIN

CAUSES OF DEATH IN MASSACHUSETTS.

By SAMUEL W. ABBOTT, M.D.,

Secretary of the Board.

ON THE GEOGRAPHICAL DISTRIBUTION OF

CERTAIN CAUSES OF DEATH

IN MASSACHUSETTS.

By SAMUEL W. ABBOTT, M.D.,

Secretary of the Board.

The following statistical inquiry has been undertaken with the object of studying, upon the broadest basis available, the question whether certain diseases or causes of death are influenced by geographical position, within the limits of the State of Massachusetts. At the same time other circumstances and conditions have been made the subject of observation, such as sex, age, seasons of the year, density of population and freedom of intercommunication.

The period of time selected for observation is the twenty years from 1871 to 1890 inclusive, this being the longest period during which such facts could readily be studied without an excessive increase in the amount of clerical labor involved.

The diseases selected for observation are measles, scarletfever, diphtheria and croup (considered together), small-pox, typhoid fever, cholera infantum, phthisis and pneumonia. These destructive diseases, part of which are well known as preventable, were the cause of forty per cent. of the deaths in the State during the period in question.

The sources of information are mainly the registration reports of the State which cover this period.

Dr. Farr stated, in his first report to the Registrar-General of England, that “the registration of the diseases of the several districts will furnish medical men with a series of valuable

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