INDEX. 54^ 



Nutrition, See food, growth. 

 Nymphs. A defcription of them, 298. 



O 

 Oak. Account of a remarkable one, 518. 

 Ocean. It produces the largeft animals now known, 89. 

 Odours. The reafon why they excite the fenfe of fmeiling, 



169. The particles of odorous bodies extremely minute, 



169. 

 Oeftrus. See gad-fly. 

 Orang-outang. His form as well as his manners make the 



neareft approach to thofe of man, 63. Walks erect, 70. 



An acount of the imitative powers of what is called the 



larger and fmaller fpecies, 441. Their manners, 442, 



443, 444. Belong not to the human kind, 444. Nearly 



allied to man, 441. 

 Organs. See animals, birds, quadrupeds, £{hes, plants, and 



ftrufture. 

 Oftrich vindicated from unnaturality, 159. 

 Ox-eye. See titmoufe. 

 Oxen, dull and phlegmatic animals, but capable of inftruc- 



tion, 460, 461. Much changed by domeftication, 463. 

 Oyfter. Its motions defcribed, 148. Is endowed with fome 



degree of intelligence, ibid. 



P 



Pairing. See marriage. Many animals pair, 282, 284. 

 Palm-tree. Its mode of culture in Arabia no proof of the 



fexes of plants. See fexes. 

 Palpi of inre<Q:s defcribed, 95. 

 Papillae. See nerves. 

 Papilio. See butterfly. 

 Parental affe^lion. See love. 

 Pediculus. See loufe. 



Pelican. Her mode or fupplyingher young with drink, 225.. 

 Phalaena. See moth. 

 Phryganea. See flies. 

 Pies. Their nefts very various. 

 Pilchards. See herrings. 

 Plants. Difficulty of diftinguifliing them from animals, 14. 



Definitions of them by Jungius, ibid. ; by Ludwig, ibid. ; 



by Linnaeus, 14. Examples of the motions of plants, 16, 



