CONTENTS. V 



CHAPTER XIV. 



PROSPECTIVE CONTRIVANCES. 

 Teeth, 169; milk, 170; eye of the foetus, 171; lungs of the foetus, 172; fora- 

 men ovale, etc., 173. 



CHAPTER XV. 



RELATIONS. 

 A'.i Tientary system, 176 ; kidneys, ureters, and bladder, 179 ; eyes, hands, feet, 

 179 ; sexes, 180 ; teats and mouths, 180 ; particular relations, _80 ; swan, 

 180 ; mole, 181. 



CHAPTER XVI. 



COMPENSATION. 

 Elephant's proboscis, 184 ; hook in the bat's wing, 185 ; crane's neck, 185 ; 

 parrot's bill, 186 ; spider's web, 186 ; multiplying-eyes of insects, 186 ; eye- 

 lid of the chameleon, 187 ; intestines of the alopecias, 188 ; snail — mussel- 

 cockle— lobster, ISS ; sloth— sheep, 190 ; more general compensations, 190; 

 want of fore-teeth— rumination, 190 ; in birds, want of teeth and gizzard, 

 191 ; reptiles, 192. 



CHAPTER XVII. 



THE RELATION OF ANIMATED BODIES TO INANIMATE 

 NATURE. 

 Wings of birds— fins of fish— air and water, 194 ; ear to the air, 194 ; organs 

 of speech— voice and respiration to air, 194; eye to light. 195; size of ani- 

 mals to external things, 195 ; of the inhabitants of the earth and sea to 

 their elements, 196 ; sleep to night, 196. 



CHAPTER XVIII. 



INSTINCTS. 

 Intubation of eggs, 199 ; deposition of eggs of insects. 203; solution from sen- 

 sations considered, 207. 



CHAPTER XIX. 



OF INSECTS. 

 Elytra of the scarabeeus, 211 ; borer of flies, 212; sting, 213; proboscis, 214 , 

 metamorphosis of insects, 215 ; care of eggs, 216 ; observations limited to 

 particular species, 217; thread of silk-worm and spider, 217; wax and 

 honey of bee, 218 ; sting of bee, 220 ; forceps of the panorpa tribe, 220 ; 

 brushes of flies, 220 ; glowworm, 220 ; motion of the larva of the dragon- 

 fly, 221 ; gossamer spider, 221 ; shell animals, 222 ; snail shells, 222 ; uni- 

 valve sheU-fish, 22.3 ; bivalve, 223 ; lobster shell, 224 ; variety of insects, 



CHAPTER XX. 



OF PLANTS. 

 Prwervation, perfecting, and dispersing of seed, 227 ; germination, 234 ; ten- 

 drils, 235; particular species, 237; vallisneria, 237; cuscuta Europaea, 

 238; mistletoe, 238 ; colchicum autumnale, 238 ; dionsa muscipula. 240. 



