QUESTIONS 209 



What are the two parts of the work of Darwin's life? How old 

 was he when he began his shell collection ? Describe his experience 

 in collecting beetles in Cambridge. How old was he when he went 

 to South America ? What was his position on the Beagle ? Describe 

 the Beagle (see footnote). How long was Darwin away from 

 England ? What fossil discoveries did he make in South America ? 

 What difference was there between the size of the fossil bones and 

 the size of the living creatures which Darwin found in South 

 America ? What is the general contrast in size between animals 

 now living in South America and those in Africa ? How do we know 

 that South American animals were once as large as those now alive 

 in Africa ? What does history tell us about the horse in America 

 when Columbus arrived ? How do we know that horses were 

 among the oldest inhabitants of America ? What is proved by fossil 

 remains found in Europe, Asia, and America ? What theory explains 

 the fact that animals of the same kind were living during the same 

 era in all three continents ; that is, how did they travel from con- 

 tinent to continent ? In his study of animals and fossils, for what 

 was Darwin constantly searching ? Why did he gather facts so 

 persistently ? 



CHAPTER VIII 



Give the location of the Galapagos Islands. Describe the tortoise 

 which Darwin found there. Describe the lizards. Of what kinds 

 of animals did he find new species ? Define species (see footnote). 

 Where had Darwin seen other creatures of which these reminded 

 him ? What question did Darwin ask himself about these new spe- 

 cies ? When did the Beagle return to England ? W'hat collections 

 did Darwin now have in hand ? By the use of his collections what 

 laws did he wish to find ? What were some of the questions which he 

 asked himself about both the earlier and the later kinds of animals ? 

 In order to get more facts, what birds did he study, comparing them 

 with each other ? Describe some of the different kinds of pigeons. 

 After studying each kind, what conclusion did Darwin come to? 

 What is the common opinion of naturalists about pigeon ancestors ? 

 What did every intelligent bird breeder assure him ? How long did 

 one breeder say it would take to produce any given feather ? How 



