.^50 I H D E !^. 



Spider-fly. See flies, and growth. 



Spout firii. Its motions defcribed, H7. Conies above the 

 iand upon putting fait on the mouth of its habitation, 147. 



Stag. His artifices in efcaping the dogs, 404*. Form herds, 436. 



Stevens (Dr.) His experiments on digeftion performed by 

 means of a German who was in the habit of fwallowing 

 ftones, 237. 



^tigmati of infe£ls defcribed, and their ufes, 127. 



Stomach. Every part of vegetables may be confidered as a 

 ilomach, 19. In carnivorous animals, the ftomach is pro- 

 portionally fmall, (56. Its juice dilTolves all kinds of vic- 

 tuals, 230. Its great comminuting force in certain birds, 

 ^31, &c. In maa and quadrupeds, the ftomach feems not 

 to a£l: upon its contents, which are totally diffolved by the 

 gaftric juice, 237. See gaftric juice. After death, the 

 gaftric juice diflblves the ftomach, 240. 



Storks clear Egypt of ferpents, frogs, mice, &c. 39S. 



Structure and organs. Their connection with manners and 

 difpofitions, 6^, 66, 96, 111. Structure of quadrupeds 

 has a great refemblance to that of man, 63. Structure of 

 birds, 80. Stru^ure of fillies, 87. Strufture of infefts, 92. 



Swallow. A curious mftin(Sl of it, 157. Swallow's nefi:s, 328, 

 Of their migration and torpidity, 476, &c. Different 

 opinions on this fubjedt examined, 482. Could not poIB- 

 bly exifi: under water, 484. 



Swans. Their longevity, 513. 



Sword-filh often kills the whale, 401. 



T 



Tadpole. See frogs. 



Tailed men have no exiftence, 594;. 



Tafie, See fenfes. The inftruments and caiifes of the feij-* 

 fation of tafting, 172. Tafi:e various in individuals of the 

 fame fpecies, 174. 



Taylor-bin'. Defcrlption of its wonderful neft, 326. 



Termites. Mr. Smeathman's defcription of their fingular 

 operations, 364. Deicription of thefe animals, 365. Un- 

 dergo great changes in form, 365, 366, 367. Wonderful 

 proUfic powers of the females, 367. Their nefts or hills 

 defcribed, 368. Of their royal chamber, 370. Of their 

 nurferies, 371. Of their magazines, 373. Of their fubter- 

 raneous paflages, 374. Of their warlike difpoiitions, 375, 

 Repair their habitations, 377. 



