x.] DISEASE. 173 



sumption feared, and died of bad chill. Chest colds 

 with pleurisy and congestion of lungs. Died of an 

 attack on the chest. Always delicate. Delicate lungs. 

 Hemorrhage of lungs. Loss of part of lung. Severe 

 pulmonary attacks and chest affections. 



2. Suspicious : — Chest complaints. Delicate chest. 

 Colds, cough and bronchitis. Delicate, and died of 

 asthma. Scrofulous tendency. 



3. Somewhat suspicious : — Asthma when young. Pul- 

 monary congestion. Not strong ; ansemic. Delicate. 

 Colds, coughs. Debility ; general weakness. [The con- 

 text was especially considered in this group.] 



Parent to Child. — I have only four cases in which both 

 parents were consumptive ; these will be omitted in the fol- 

 lowing remarks ; but whether included or not, the results 

 would be unaltered, for they run parallel to the rest. 



There are 66 marriages in which one parent w T as 

 consumptive ; they produced between them 413 chil- 

 dren, of whom 70 were actually consumptive, and others 

 who were suspiciously so in various degrees. When 

 reckoned according to the above method of computation, 

 these amounted to 37 cases in addition, forming a total 

 of 107. In. other words, 26 per cent, of the children 

 were consumptive. Where neither parent was consump- 

 tive, the proportion in a small batch of well marked 

 cases that I tried, was as high as 18 or 19 per cent., but 

 this is clearly too much, as that of the general population 

 is only 16 per cent. Again, by taking each fraternity 

 separately and dividing the quantity of consumption in 

 it by the number of its members, I obtained the average 



