BLOOD 



69 



marrow is in harmony with the increase in the number of eryth- 

 rocytes during the first 30 days of hfe (Jolly 1906, p. 634). 



TABLE 30 

 Weight of hemoglobin in albino rat- — Abderhalden ('02) 



Basel 



TABLE 31 

 Number of erythrocytes according to age and locality of sample 



