BLOOD AND BONE-MARROW OF FROG 473 
metabolic demands are conceived to effect an untoward influ- 
ence upon the kinetic center, a morphologic aspect of which is 
expressed in the pluricorpuscular variety of centrosome. 
10 
11 
13 
14 
15 
16 
LITERATURE CITED 
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THE AMERICAN JOURNAL OF ANATOMY, VOL. 25, No. 4 
