528 INDEX. 



exprcfling their wants and deCres, iio. Of their motions, 131, &c. The notioii 

 that animals arc machines abfurd, 155. Of the infancy of animals, 196. Their ge- 

 neral diSufion over the globe owing partly to the diverfity of their appetites for food, 

 220. Of the faxes of animals, 236. Of the puberty of animals, 264. All animals 

 undergo changes at the age of puberty, 267. Their attachment to their young, 273. 

 This attachment ceafes, in fome animals, as foon as the young can provide for them- 

 felves, 277. Many of them marry or pair, ibid. Advantages derived from the va- 

 riety of feafons obferved by different animals, 280. Table of their relative fecundi- 

 ty, 283. Of their transformations, 286. All animals undergo changes, ibid. Cruf- 

 taceous tribes annually call their fhells, 290. Of the habitations of animals, 310. 

 Operations of animals referred by fome authors to mechanical impulfes, 335. Of 

 their hoflilities, 3 74. Man the moft univerfal deftroyer of animal life, 377. Some 

 animals devour their own fpccies, 384. Advantages derived from animals preying 

 upon one another, 390. Profufion of animal life feems to be a general Intention of 

 Nature, 392. There is a wonderful balance in the fyftem of animal deftruftion and 

 multiplication, 393. Reftraints againft noxious inundations of particular fpecies, 

 394. Animals not deftined for individual exiftence alone, 398. Of the artifices of 

 animals, 399. Of the fociety of animals, 414. Of gregarious animals who carry on 

 no common operations, 432. Different fpecies affociate, 433. Of their docility, 

 435. Animals of the ox kind dull and phlegmatic, 456. Much influenced by cli- 

 mate and domeftication, 460, &c. Of the charafters of animals, 464. Of their prin- 

 ciple of imitation, 469. Of the migration of animals, 473. Of their longevity, 504, 

 &c. Thofe which grow quickly foon perifh, 509. All animals perfect according to 

 their deflination, 521. 



Ants. Their ftrufture and manners, 95. Wood-ants, their furprifing operations and 

 manners. See termites. Their fociety, 430. 



Aphis. See puceron. 



Apterous Infefls defcribed, 97. 



Arabians confider the camel as a gift fent from heaven, 64. Perfor.Ti journies of fifty 

 leagues in one day, 6j. 



Aranea. See fpiders. 



Arteries. The probable inftrumenta of nutrition and growth, iii. 



Artifices. General fourccs of the artifices of animals, 399. Artifices of cattle, horfes, 

 and monkeys, 400. Of the flag, ibid. Of the fallow-deer, 401. Of the roebuck, 

 402. Of the hare, 403. Of the fox, 405. Of the glutton, 407. Of the Kamt- 

 fchatka rats, ibid. Of birds, 408. Offidies, 410. Of infefts, 411. 



Afbeftos. Its flruclure makes no approach toward organization, I2. 



Aureliae. See chryfallds. 



B 



