CONTENTS. XI 



Note 61, referring to Appendix for note upon the teeth, 261; 62, 

 on the means by which the second set of teeth are made to 

 succeed the first, 269 ; 63, on the provision for the first 

 nourishment of plants and animals, 271 ; 63, on the gra- 

 dual developenient of animal bodies, 275. 



CHAPTER XV. 



RELATIONS. 



Alimentary system, 276; kidneys, ureters, and bladder, 281 ; 

 eyes, hands, feet, 282 ; sexes, ib. ; teats and mouths, 283 ; 

 particular relations, %b. ; swan, 284 ; mole, 286. 



CHAPTER XVI. 



COMPENSATION. 



Elephant's proboscis, 268 ; hook in the bat's wing, 290 ; crane's 

 neck, 291 ; parrot's bill, ih', spider's web, 292; multiplying- 

 eyes of insects, 294 ; eyelid of the chameleon, 295 ; intes- 

 tines of the alopecias, 296 ; snail — muscle — cockle — lob- 

 ster, 297; sloth — sheep, 299; more general compensa- 

 tions, 300 ;. want of fore-teeth — rumination, ib. ; in birds, 

 want of teeth and gizzard, 302: reptiles, 304. 



J^ote 64, on tlie unreasonableness of the notion of a change in the 

 original structure of animal organs, 289 ; 65, interesting 

 particulars concerning the powers and habits of the spiders, 

 292; 66-67, referring to Appendix, 298, 300; 68, on the 

 ' digestive organs, with reference to the different kinds of 

 food, 301 ; 69, on the relation between the mouths and 

 stomachs of animals, 303; 70, on the variety of the instru- 

 ments of motion of different animals, 305. 



CHAPTER XVII. 



THE RELATION OP ANIMATED BODIES TO INANIMATE NATURE. 



Wings of birds — fins offish — air and water, 307 ; ear to the air, 



