34 INDEX. 



Sale?)! (Mafiachu.) births and deaths at, Vol. Ill p. 38, 56, 59. 



Sa't (marine J combined with vegetable acid, virtues of, Vol. II. p. 284. 



Siiltpetre mines, Vol. I. prej. p. xii. 



Sand-I.n Is of Cape Henry (Vir ) memoir on the. Vol. IV. p. 439. 



Sjnta Rofa, W. llorida, lat of, Vol. I p. 253. 



Sap of the fugar niAple, liow excellent and uleful. Vol. III. p. 69, 73. 



Sargent ( IVimhropJ his letter to Dr. P.arto -, accompanying drawings and 

 fome account of certain articles wiiich were taken out of an ancient 

 tumulus, or grave, in the weftern country, Vol. IV. p. 177. 



Sati'Ul s of Jupiter, their eclipfes obferved. Vol. I. p. 21, 55 — their immer- 

 fions and emerfions as obferved at Wilmington (Del.) and the weft, 

 ern obferva. in 1784, Vol. IV. p. 32 — at Baltimore in 1788, ib. 

 p. 48. 



Saturn's diftance from tlie fun. Vol. I. p. 62. 



Savanna/', in Georgia, proportion of deaths at. Vol. III. p. 59. 



Saiv-mills, particular defcription of certain. Vol. IV. p. 350. 



Scull, a new method of treating the cifufion that colledts under it after frac- 

 ture, Vol. IV. p. 433. 



Sculptured rock on the Kenhawa, Vol. IV. p. 253. 



Sea-vejfeh ; machine ior pumping, without manual labour. Vol. I. p. 289. 



Sea 'water, warmeft out of ioundings, Vol. 111. p. 83 — its temperature 

 compared, 194 — ftate of, 90, 2Co. 



•^—air, experiments on. Vol. IV. p. 262, 269, 272 — more rarefied than 

 land air, 269. 



Seeds and plants, how to preferve them for tranfportation. Vol. I. p. 266, 

 269, 270. 



SenUnd, or felf-moving regifter, for preferving an equal degree of heat, de- 

 fcription of one. Vol. I. p. 286. 



Serptnts, M. de la Cepede's diftribution of them into genera. Vol. IV. p. 

 379 — their chara(Sers, 380 — tlie mokkafm, a non-defcript fnake, ib. 



— — — , cures for their bite. Vol. III. p. 100, 102, 104, 109, 114 — their 

 fafcinacing faculty controverted. Vol. IV. p. 74 — obiervations on, p. 362. 



Sexual organs of plants. Vol. III. p. 204 — of jnoffes and mulhrooms difco- 

 vered by De Beauvois, ib. 



Seylen (Dr. /Idum) his experiments on land and fea-air. Vol. IV. p. 262 

 — his experiments and obfervations on the atmofphere of marlhes, 



4'5- 

 Shark's teeth (foffil) abundant in Virginia Vol. IV. p. 433, 

 Sh ep, various kinds defcribed. Vol. IV. p. 149 to 154. 

 Shit and-VJOol peculiarly foft. Vol. IV. p. 433. 

 She. Is. See Frf,/. 

 — — (piouigious oifierj in vaft quantities in the Mobile country. Vol. III. p. 



218. 

 ' (fjf'^ ""d petr'ifi d), numerous in the weftern country. Vol. III. p. 



218 — and elfewhere. Vol IV p. 439. 

 Ship pumps, new method propo ed for working them, Vol. I. p. 289 — bore 



to be enlarged, 290 — powers of, 291. 

 • —- , an invention toaflift her failing, Vol. III. p. 331. 



