XXX CONTENTS OF VOL. H. 



Page. 

 Naturalization of Animals, . . . . 105 



Method of constructing a Fauna. Resident animals. 

 Periodical visitants. Stragglers. Extirpated ani- 

 mals. Extinct animals. Naturalized animals. . 106 



CHAP. III. 



Economical uses of Animals. 

 Food. Clothing. Medecine. Arts. . . 107 



PART II. 



THE METHOD OF INVESTIGATING THE CHA- 

 RACTERS OF ANIMALS. 



CHAP. I. 



External Characters. 



Colour, variable. Dimensions, influenced by age and 

 sex. Weight, influenced by age, sex, and season. 

 Shape, too much neglected. Habits of the species. 115 



Restriction of terms of position, aspect and connection. 116 



CHAP. II. 



Internal Characters. 



Dissection difficult, in air, in water. Processes employ- 

 ed. Maceration, solvents. Coagulation. Injec- 

 tion. Reliance on analogy. . . . 1 20 



The Microscope, fruitful of error. Preference given 

 to single lenses. Management of light. Objects in 

 water. 126 



