BLOOD 



69 



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

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



TABLE 30 

 Weight of hemoglobin in albino rat Abderhalden ('OS) 



Basel 



St. Moritz 



TABLE 31 

 Number of erythrocyles according to age and locality of sample 



AGE IN 

 DATS 



1 



3 



5 



8 



15 



21 



30 



42 



60 



90 



180 



365 



1095 



