OF HEMOGLOBIN, AND ITS SPECIFICITIES. 



71 



species, and are therefore of little significance in indicating positive non- 

 identity (table 25). In fact, the analyses, as a whole, are so discrepant 

 that it must be admitted that hemoglobin is not a uniform substance, 



TABLE 25. The centesimal composition of hemoglobin, according to various observers. 



= 0.1973 



= 0.770 



even in individuals of a given species, or that there are important sources 

 of fallacy in the methods of analysis, or that the methods of preparation 

 are so faulty as to yield either an impure or a partially decomposed sub- 

 stance. It seems so very improbable that the hemoglobin from normal 



