INDEX. 545 



Spider-fly. See flies, and growth. 



Spout-fifli. Its motions defcribed, 138. Comes above the fand upon putting fait on 

 the mouth of its habitation, 139. 



Stag. His artifices in efcaping the dogs, 400. Form herds, 432. 



Stevens (Dr). His experiments on digeftion performed bv means of a German who 

 was in the habit of fwallowing ftones, 232. 



Stigmata of infefts defcribed, and their ufes, 1 1 8. 



Stomach. Every part of vegetables may be confidered as a flomach, 8. In carnivorous 

 animals, the ftomach is proportionally fmall, 57. Its juke dlflblves all kinds of vic- 

 tuals, 226. Its great comminuting force in certain birds, 225, &c. In man and 

 quadrupeds, the ftomach feems not to aft upon its contents, which are totally diflbl- 

 ved by the gaftric juice, 232. See gaftric juice. Afcer death, the gaftric juice dif- 

 folves the ftomach, 235. 



Storks clear Egypt of ferpents, frogs, mice, &c. 395. 



StruiSture and organs. Their connedlion with manners and difpofitlons, 53, 57, 89, 

 102. Structure of quadrupeds has a great refeuiblance to that of man, 54. Strufturc 

 of birds, 70. Structure of filhes, 77. Strudlure of infects, 83. 



Swallow. A curious inftinft of It, 149. Swallow's nefts, 324. Of their migration 

 and torpidity, 473, &c. Different opinions on this fubjeft examined, 478. Could 

 not poflibly exift under water, 481. 



Swans. Their longevity, 511. 



Sword-fifli often kills the whale, 397. 



T 



Tadpole. See frogs. 



Tailed men have no exiftence, 523. 



Tafte. See fenfes. The Inftruments and caufes of the fenfatlon of tafting, idj. Tafte 

 various in individuals of the fame fpecles, 1 66. 



Taylor-bird. Defcriptlon of its wonderful neft, 321. 



Termites. Mr Smeathman's defcriptlon of their Angular operations, 359, Defcriptlon 

 of thefe animals, 360. Undergo great changes in form, ibid. '361, 362. Wonder- 

 ful prolific powers of the females, 363. Their nefts or hills defcribed, 364. Of 

 their royal chamber, 365. Of their nurferies, 366. Of their magazines, 368. Of 

 their fubterraneous paflages, 369. Of their warUke difpofitions, 370. Repair 

 their habitations, 372. 



Tiger. His difpofitions are grofsly ferocious, 378. 



Tit-moufe, Description of its neft, 320. 



I 3 Z Toads. 



