S^v 



N D 



Mufcles. The inflruments of animal motion, 132. 

 Mufical ears. See ears. , 



N 



Nature, in the formation of animals and vegetables, feems to have afled upon the fame 

 general plan, 1 1. Her intentions in changing forms, 308. If properly underftood, 

 her intentions are never wrong, 389. Seems to pay little attention to individuals, 

 but uniformly fupports the fpecies, 390. Advantages derived from her allowing 

 animals to prey on one another, ibid. &c. It gives rife to mutual improvement, 391. 

 A profufion of animal life feems to be a general intention of Nature, 392. There 

 is a wonderful balance in the fyftem of animal deftrudion, 393. Nature obferves a 

 uniform gradation of beings, 521. 



Nerves. A ftjort defcription of them, 51. The fource of all fenfation and motion^ 

 133, 161, 174. Their papillae the immediate inflruments of fenlation, 174. 



Nefts. See birds and habitations. Penfile nefts, 321. Curious neft of the taylor-bird, 

 ibid. Cuckow makes none, 323. Nefts of different birds, 324. Nefts of various 

 infefts, 326. Wafp's neft defcribed, 349. Nefts or hills of the termites, 360; of 

 caterpillars, 425. 



Nettle. Sea-nettle's motions extremely flow, 141. 



Neuropterous infers. Defcription of them, 93. 



Nidification. See birds. 



Nofe. Defcription of that organ, 161. 



Nutrition. See food, growth. 



Nymphs. A defcription of them, 294. 



O 



Oat. Account of a remarkable one, 517. 



Ocean. It produces the largeft animals now known, 79. 



Odours. The reafon w'hy they excite the fenfe of fmelling, 162. The particles o£ 



odorous bodies extremely minute, 163. 

 Oeftrus. See gad-fly. 

 Orang-outang. His form as well as his manners make the neareft approach to thofe 



of man, 53. Walks ereft, 61. An account of the imitative powers of what is called 



the larger and fmaller fpecies, 437. Their manners, 438, 439, 440. Belong not to 



the human kind, 441. Nearly allied to man, 437. 

 Organs. See animals, birds, quadrupeds, fifties, plants, and ftrufture. 

 Oftrich vindicated from unnaturality, 151. 



©x-eye. See titmoufe. 



0zeni 



