324 



GENERAL BIOLOGY 



shelterino^, of care and assistance. And to all this man adds 

 education, which is only an extension of the original mother 



Fig. 184. Young marsh hawks (altricial) some days old, yet hardly 

 able to stand. Photo by E. McDonald. 



function.* In the eye of the law it takes twenty-one years 

 to make a man. Thus, human society has learned the first 

 lesson of racial progress. 



*"And. it was told him, Thy mother and thy brethren stand with- 

 out, desiring to see thee. But he answered and said unto them, 

 My mother and my brethren are these which hear the word of God, 

 and do it." Luke 8:20.21 



