INDEX. 349 



Skunk, vii. 297. n. 



Sloths delcribeU, vii. 151. Conftitute the laft term of exiftence 

 in the order of animals endowed with flclh and blood, 155. 

 Their milerable lituation, 156. Are very tenacious of life, 

 158. Are peculiar to South America, 160. /itcountofa 

 tame one, i6i M. de la Borde's account of tJie lloths 10 

 Cayenne, 163. 



Sorax, iv. 305. n. 



Souflik, or Cafan marmot defcribed, viii. 234. Is extremely 

 fond cf fait, 236. 



Spider monkey, viii. 184. 

 laafte, vii. 296. n. 



ijuirrel defcribed, iv. 268. Approaches to the nature of birds, 

 269. Sails over rivers on a piece of the bark of a tree, ib. 

 Few varieties of the fpecies, 271. Squirrels are natives of 

 cold rather than warm climates, 272. Fat fquirrel defcribed, 

 325. Sleeps during the winter, 327. The fat fquirrels do 

 not inhabit very cold countries, 331. Garden fquirrel de- 

 fcribed, 332. Flying fquirrel defcribed, v. 307. Manner of 

 its Hying defcribed, 309 Relembles the bat, 3! 1. Sailing, 

 or great flying fquirrel defcribed, 312. Account of a tame 

 one, 316. Gray fquirrel, 321. Palm fquirrel, Barbary fquir- 

 rel, and ground fquirrel, 328. Coquallin, or varied fquirrel, 

 vii. 176. 



-ng, or red deer, defcribed, iv. 74. Of the knowledge necef- 

 lary for a huntfman, 77. 



Stein-boek, vi. 363. n. 



Krrata of the earth ; why always in a horizontal pofition, i. 1$. 

 18. 28. Thofe of ftones in quarries almoft ail horizontal, or 

 regularly inclined, 25. Preferve the fame thicknefs through- 

 out their whole extent, 26. Beds of fand and gravel are an 

 exception to the general rule concerning the formation of 

 ftrata, 26. Thofe formed by rivers, how diflingiiifhed from 

 the original llrata of the earth, 27. No river- {hells found in 

 the original ilrata, 28. Differtation on the formation of ftra- 

 ta, 157. 



Strepfxeros, vii. 8. n. 



Surikate, or four toed weafel, defcribed, vii. 167. Cannot fub- 

 fifl long in a cold climate, 168. 



Surmulot, iv. 336. n. 



Sus, ill. 500. n. V. 272. vii. $9^ 64< viii. 240. 242. 



T 



