ON CLASSIFICATION OF PERSONS EXPOSED TO SMALLPOX. 513 



Class II. — (Ax-ea of scars, deficient ; character, good). 

 Total, 47; attacked, 9 ; percentage, 19.1 ; deatlis, nil. 



Class III. — (Area of scars, sufficient ; character, bad.) 

 Total, 27; attacked, 5; percentage, 18.5 ; deaths, nil. 



Class IV. — (Area of scars, deficient ; character, bad.) 



Total, 32; attacked, 11; percentage, 34.3; died, 3; percentage 

 of attacks fatal, 27.2. 



Hi 



