Col. W. C. Gorgas, U. S. Army, chief sanitary officer of the Isthmian Canal Commission, publishes some interesting statistics as to the population and deaths from various diseases in the city of Panama from 1883 to 1906 and among the employés of the French Canal Company from 1881 to 1904.1 The figures are given without comment, and only those relating to yellow fever will be considered here.
In the first place it appears that yellow fever is by no means always present in Panama, at least in a fatal form; thus in the years 1890, '94, '95, '96 and '98 no deaths from that disease were reported, and in 1892 and 1893 only one death each year; in the five consecutive years from 1892 to 1896 inclusive there were only two deaths, and for three consecutive years no death. Among the employés of the French canal companies there were