CHAPTER VI. 



LITERARY WORK [continued]. 



" Trespassers " The Master-key to Zoology " Out of Doors " A Serious- 

 Accident and its Results Effect upon Literary Work " Man and Beast, 

 Here and Hereafter "Scriptural Teaching upon Animal Immortality 

 Spiritual Attributes in the Animal World The Balance of Evidence Two 

 Amusing Letters" The Beasts that Perish" The Leading Idea of " Man 

 and Beast "A Contemplated New Edition The Testimony of Hebrew 

 "Nature's Teachings" and its Principle References thereto in the Sketch- 

 Lectures Religion and Natural History. 



As already stated, there had been two years 1872 and 

 1873 during which no work of any importance had 

 proceeded from my father's pen ; but, after the publica- 

 tion of "Insects Abroad" in 1874, several volumes 

 made their appearance in rapid succession. 



First came " Trespassers," the leading idea of which 

 was to show the tendency manifested in every large 

 group of animals towards usurping the domain which is 

 usually occupied by other families. Mammals, broadly 

 speaking, are terrestrial. Yet the bats fly in the air 

 like the birds, the whales and the seals live in the water 

 like the fishes, while the mole lives under the earth 

 instead of upon it. Among the birds, again, the 

 penguin, the auks, and the divers are water-trespassers, 

 while the ostrich and the emu do not fly at all, but live 

 upon the ground like most of the mammals. Then, 



