The Condition as to Vaccination of Persons Scarred by Small-Pox

sons who have been previously vaccinated. It will be seen on reference to Table I, giving account of Dr. Brailey's cases, and which will be found appended to this paper, that of sixteen persons who had each lost an eye as the result of smallpox, seven were admittedly unvaccinated, or 43 per cent.; and the average age at which these contracted small-pox was 8.9 years ; while the average age of four at time of attack who had no vaccination scar, but were nevertheless stated to have been vaccinated, was 8.2 years ; two others, with one vaccination scar, had an average age of 20 years when attacked by small-pox; while two, bearing evidence of having been vaccinated in two or more places, had an average age of 28.5 years at time of their small-pox. These sixteen cases of loss of eye through small-pox, of which Dr. Brailey has kindly given me particulars, were collected from a total of 763 patients coming under his observation, and having from a variety of