Xll CONTENTS. 



Page 

 Migration of the Rice-bird . . . . .271 



of the Passenger Pigeon .... '272 



of the Petrel, Wild Turkey, Blue-bird, and 



Gannet . . 274 



of the Stork and Quail . . . .276 



Opinions as to the causes of migration . . . 278 

 Remarks of Temminck on migration . . .281 

 Opinions of other continental writers on the subject . 285 



CHAPTER XIV. 



INSTINCT . . . . 289 



Signification of the term instinct.. .... 289 



Opinions of writers who maintain the identity of reason 



and instinct 290 



Opinion of Smellie 290 



Opinion of Hume . . . . 290 

 Opinions of Dr. Darwin . . .291 

 Remarks of Dr. Mason Good in opposition to this 



theory 292 



Opinions of writers who maintain that animals are mere 



machines 293 



Fanciful statements of Buflfon .... 294 



Statement of Lamarck ...... 295 



Various opinions of other writers . . . 297 

 Opinion of Sir Isaac Newton ..... 297 



Observations of Addison . . . 297 



Opinions of Dr. Mason Good. .... 299 



Opinion of Hartley 301 



Observations of Mr. Oliver French .... 301 

 Observations of Mr. Hancock .... 303 

 Opinion of Cuvier that instinct is derived from innate 



ideas 304 



Dr. Virey's discrimination between reason and instinct. 305 



CHAPTER XV. 



CONCLUSION ........ 308 



Proofs of the existence and perfections of the Deity 

 afforded by the works of nature .... 308 



