CONCLUDING OBSERVATIONS. 371 



parts of an animal ? Give in full the illustration in regard to a tooth. 

 What is said of Cuvier ? How should the classification of animals be 

 made out ? Why is man a cosmopolite ? What animals come next 

 to him in extent of diffusion? What is said of the distribution of 

 most animals ? What is a Fauna ? What is said of the Faunas of 

 the arctic regions ? Of the temperate ? Of the tropic ? What cir- 

 cumstance increases the variety in the tropical Faunas ? What is 

 said of some of the local Faunas ? Give the statement of the num- 

 bers of species in different departments of the animal kingdom ? 

 What are fossil animals ? What is said of their number ? Mention 

 some that have been noticed in this book, and give some facts in re- 

 gard to them. What is said of minute animals ? Give the statement 

 in regard to the shells of Foraminifera. Describe the structure and 

 habits of these animals. What is said of the chalk formations? 

 What is said of the shells of the Coscinodiscus ? Of the Tripoli ? 

 What of animalcular deposits ? Why are animalcules termed Infu- 

 soria ? To what animalcules do some confine this term ? Where 

 can these be obtained? What is said of their forms and motions? 

 What is said of the Baccillaria Paradoxa ? How are some Infusoria 

 like Polypes ? Give the statement in regard to the Bell-shaped Ani- 

 malcules. What is said of the field opened to you in the observation 

 of nature ? What of the mutual relations of the animal world ? What 

 of the preservation of them by Providence ? What of the relations of 

 man to animals ? What of his higher relations ? 



