302 NATURE AND LIFE. 



taken place in them, two specimens of blood taken at two 

 different points in the body. When we shall have mastered 

 the composition of albumen, and when we shall have it in 

 our power to make the comparison just alluded to, the 

 problem of infectious diseases will not be long in coming 

 into full light, and the cholera will be no more a dismal 

 mystery. 



