MAN. 373 



7. On the whole, does it seem that man has been sub- 

 ject to the same influence by external conditions which 

 we have found in the lower animals? Illustrate. 



8. Human migrations. Cite some of those that belong 

 to recorded history and look at their causes and results. 



9. What is the zoological character of mixed or hybrid 

 races of men? 



10. What is the human population of the earth esti- 

 mated to be? How is it believed to be distributed among 

 the leading races? Which is growing with greatest ra- 

 pidity? What reasons can you assign? 



