242 
Journal of Agricultural Research 
Vol. XXVI, No. 5 
The averages from Table II show what one might expect, that is, 
that the average totals of the solids—iron, hemoglobin, and erythro¬ 
cytes—are greater in the normal animals than in lie sick ones. There 
is more actual anemia due to a lack of iron, and therefore a deficiency of 
hemoglobin, than the total erythrocytes would indicate. This also 
would be expected from the large number of shadow corpuscles which 
are often found in cases of anemia. 
The increased iron content of the spleens of the young animals can 
not be due solely to the increased quantity of blood in the organ, for if 
the extra weight of the spleen were due wholly to the weight of blood 
the additional iron would not be sufficient to account for the increase. 
A study of the tables substantiates this statement. 4 * * * * * 10 
4 The writer takes this occasion to express his gratitude to Prof. M. R. Miller for valuable help and 
advice in carrying out this investigation. 
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