CONTENTS. Xi 



Ratio of the Cerebrum and Cerebellum in Man and 



Animals jgg 



Ratio of the Cerebrum and Medulla Oblongata 169 



Acervulus Pinealis 



Position of the Heart j jq 



Position and Direction of the Vagina and Urethra 171 



Comparison with Animals 



Consequent Differences in the Functions of these Parts . . 173 



The Hymen 



Clitoris and Nymphae j^5 



Chapter VII. — Peculiarities in the Animal Economij of the Human 

 Species. — General Extension over the Globe. — Man naturally 

 omnivorous — his long Infancy, and slow Developement — hence 

 suited to the Social State. 



The Extension of the Species hardly limited by Natural 



Cold or Heat 1^5 



Cold Situations j^g 



Warm ijj 



Varieties of Atmospheric Pressure I78 



Man capable of subsisting on all Kinds of Food 



Question concerning the Natural Food of Man I79 



The most Savage People are generally Carnivorous 



Some Savages eat Earth XS2 



Is Civilization an Unnatural State ' 1 83 



Erroneous Notions respecting the Effects of Animal and 



Vegetable Diet 184 



Comparison of Man to Carnivorous and Herbivorous Ani- 

 mals, in respect to the Masticatory and Digestive 



Apparatus 186 



The Teeth and Jaws ^ I87 



Alimentary Canal 188 



Comparative Length in Man and Animals 



In the Teeth and Intestines, Man most nearly resembles 



the Monkeys I90 



Question of the most wholesome Diet 



The Human Frame and Economy are stronger and more 



flexible than those of Animals 



Contrast, in this point of view, between Man and the 



Monkeys , I93 



Slow Growth, long Infancy, and late Puberty of Man 194 



