the Dublin bills of mortality, according to what hath been here
recommended--viz.:

1. We give the distinctions of males and females in the births
only; for that the burials must, at one time or another, be in the
same proportion with the births.

2. We do in the weekly and quarterly bills propose that notice be
taken in the burials of what numbers die above sixty and seventy,
and what under sixteen, six, and two years old, foreseeing good uses
to be made of that distinction.

3. We do in the yearly bill reduce the casualties to about twenty-
four, being such as may be discerned by common sense, and without
art, conceiving that more will but perplex and imbroil the account.
And in the quarterly bills we reduce the diseases to three heads--
viz., contagious, acute, and chronical, applying this distinction to
parishes, in order to know how the different situation, soil, and
way of living in each parish doth dispose men to each of the said
three species; and in the weekly bills we take notice not only of
the plague, but of the other contagious diseases in each parish,
that strangers and fearful persons may thereby know how to dispose
of themselves.

4. We mention the number of the people, as the fundamental term in
all our proportions; and without which all the rest will be almost
fruitless.

5. We mention the number of marriages made in every quarter, and in
every year, as also the proportion which married persons bear to the