QUESTIONS. 357 



CHAPTER XIII. 



OF THE COVERING, MIGRATION, AND TORPIDITY OF ANIMALS. 



(P. 269.) Is Man more or less capable of bearing the extremes of 

 climate and exposure than other animals ? How extensive is the field 

 of his residence? What is said of other animals, in this respect? 

 Have they any means of guarding against the effects of difference of 

 temperature ? What means ? How are animals covered in cold re- 

 gions? in warm regions? What instances of this difference are 

 given ? 



Describe the changes which take place in the covering of animals at 

 different seasons. What effect does this have upon the time at which 

 animals must be taken for their fur? Are changes of color as common? 

 What instances are given of changes of color? What remarks does 

 the author make, in respect to the connection between the color of the 

 covering and the warmth of the body ? 



(P. 271.) What is the second method by which animals avoid the 

 extremes of temperature? What class of animals are most remarkable 

 for their migrations ? What opinion has sometimes been entertained 

 in respect to the Swallow ? Does the author consider this opinion cor- 

 rect ? Why not? Are Swallows often seen at sea ? What instances 

 of their being observed at sea are mentioned ? How many species of 

 Swallows are mentioned as existing in Great Britain ? Describe the 

 House Swallow. How is the House Swallow distinguished from the 

 other species ? Describe the Martin. Where does it build its nest? 

 Does this description correspond with the Bird known as the Martin 

 in this country ? Describe the Bank Martin. What is the result of an 

 examination of their nests in the winter season ? What is said of the 

 Black Martin ? of the Goat-sucker ? 



(P. 275.) How many opinions have been advanced, in respect to the 

 disappearance of Swallows ? What is the first opinion ? What evi- 

 dences have been offered to prove that Swallows pass the winter in a 

 state of torpidity ? What is the third opinion ? What does the author 

 think of the theory of the submersion of Swallows ? What arguments 

 does he offer against it ? 



(P. 277.) Relate what is stated by Mr. White of Selborne. Repeat 

 what is stated by Dr. Fleming. Relate what the author says of a 

 double migration. When does the Wild Goose come into temperate 

 regions? What other birds are mentioned which spend the summer 

 'n the north? Where is Bass Island? Describe its condition in the 



