J N D E X. $S9 



Herrings performs extenfive migrations, 499. 



Hippobofca. See horfe-fly. 



Hogs aflbciate and defend each other, 437. 



Honey bee. See bee. 



Horfe-fly. Account of it, 106. 



Horfes, When attacked by any rapacious animal, rank tip 

 in lines to defend themfelves, 403. One a<Sls as a centinel, 

 ibid. Aflbciate with oxen, 437. The gentlenefs and do- 

 ciHty of their difpofltions, 457. Notices of wild horfes, 

 458. Naturally aflbciate with man, 459, 460. Their 

 emulation and warlike temper, 459. Their feats in exhi- 

 bitions, 460. 



Hofl:ilities of animals, 374, 375. Man the mofl: rapacious 

 and the mofl: univerfal deftroyer, 380. Of rapacious quad- 

 rupeds, 386. Of rapacious birds, 388. Every fifli rapa- 

 cious, 386. Of rapacious infe^ls, 389. Man not the only 

 animal that makes war with his own fpecies, 390. Neu- 

 ter bees maflacre the males, 391. Bees frequently fight 

 with each other, S92. In October, wafps maflacre all 

 their young, 392. This feeming cruelty is perhaps an a£t 

 of mercy, ibid. Hoftihties of animals give rife to 

 mutual improvement, 395. There is a wonderful balance 

 in the fyftem of animaV deftru61:ion, 397. 



Hottentots. Their mode of training and infl:ru(fting oxen, 

 460. 



Hunter, Mr. John. His account of the refpiration of birds- 

 121. His defcription of the free-martin, 249. 



Hymenopterous infedls. Their form and manners, 103. 



I 



Ichneumon flies. See flies and bees. 



Imitation. Its effb(fts upon animals as a principle, 473. 



Infancy. See infants. 



Intefledt. The degrees of it extremely varied both among 

 men and other animals, 522. 



Infants. They underftand language before they can fpeak, 

 165. Hear bluntly, 177. Are fond of noife, 177. In- 

 vent, at the age of nine or twelve months, an artificial 

 language, 179, 180. The condition of human infants con- 

 fidered as miferable, 202. This notion invalidated, 203. 

 Fond of motion, 204. The methods of managing them 

 by favages, 205 ; and by northern nations, 206. Are lefs 



