The desirableness of obtaining trustworthy statistics as to the mortality prevailing in Infancy and Childhood has been frequently insisted upon by Actuaries; no apology therefore is needed for placing before the Members of the Institute the results of some original investigations into the subject. Whilst regretting that the materials at my disposal are not very extensive, I trust that this contribution to the subject of Vital Statistics will, nevertheless, be found to possess some degree of value and interest.