INDEX. r 



G 



Garnett, John of New-Brunswick state of Nezv- Jersey, his description and 

 use o; a new nautical chart, for working the different problems in navi- 

 gation ike. VI, 303 his method of finding the roots of numeral 



equations &c. 391 — his paper on the best angles for the sails of 

 a wind-mill, 394. 



Gas, see Air. 



Generation, observations and experiments relating to equivocal or sponta- 

 neous, VI, 119. 



Geographical positions, on the Atlantic border of the U. S. VI, 158 in the 



rivers Ohio and Mississippi, 159 — without the boundary of the U. S. 



162 of sundry plans in N. A. and the West-Indies, '221 to 225 



notes and corrections to those inserted from, 158 to 164, 360. 



Geology, on that of the U. S. VI, 411. 



Geometrical Theorem, demonstration of one by J. Clay, VI, 201. 



Glass, pounded, dissolved in a solution of caustic alkali, V, 8. 



Globe, time piece, description of, V, 83. 



Gneiss, forms part of the primitive soil of Maryland, VI, 321 322. 



in the states of New- York and Connecticut, 414. 



Godon Mr. his observations to serve for a mineralogical map of the state 

 of Maryland, VI, 319. 



Gold, in aqua regia, experiments on, V, 1 1.— alloyed with palladium, VI, 411. 



Guglielmi, his theory on the. velocity of rivers at their bottom refuted VI 

 192 & seq. 



Gulf-stream, importance of the knowledge of its course in navigation. V, 92. 



Gunpowder, defects of that manufactured in the U. S. VI, 246. 



H 



Hare, Robert Jitnr. his account of the fusion of strontites and volatilisa- 

 tion of platinum, and also of a new arrangement of his apparatus, 

 VI, 99 — his account of a cock with two perforations contrived to ob- 

 viate the necessity of a vent-peg in tapping air-tight casks, 105. 



Hassler, F. R. Esq. professor in the military school at West-point, extract 

 from his paper on the meteoric stones, VI, 400. 



Havannah, longitude of, VI, 225, 352. 



Heat, latent, proportion of in different kinds of air, V, 10.. action of on air 



in metallic tubes, 42. 



Hematites, found in the alluvial soil of Maryland, VI, 320. 



Honlock, poisonous qualities of the honey gathered from the flowers of 

 V, 62. 



Honey, deleterious, on some kinds of, V, 51 signs by which to distinguish 



it, 53 manner of rendering it innocent, 56 — treatment o; persons la- 

 bouring under the injurious effects of, 56 cause of its poisonous 



qualities, 58. — collected from kalmia angustiioha and latii'oiia, 59 



from kalmia hirsuta, 61 from andromeda mariana, 61 from rhodo- 

 dendron maximum, 63 from azalea nudifiora, 64 from datura stra- 

 monium, 64 noticed by Pliny, 65 by Xenophon, 67 by Tour- 



nefort, 67 by Virgil, 68 by Martvn, 68. 



Hornstein, found in the alluvial so'il of Maryland, VI, 320. 



