[ «38 ] 
N , 
Gttffl, William Efq. his account of a very extraordinary efreft of lightning on a bul- 
lock, at Swanborow, in the parifh of Iford near Lewes, in Sufiex, p. 494 — 496. See 
Lightning. 
Greenwich, obfervations there, on the emerfion of l£’s firffc fatellite, p. 186, 187. 189. 
19a, 195. 195. Emerfion of %’s fecond fatellite, p. 188. Emerfion of l(.’s third 
fatellite, p. 1 9 1 - 
Gri/ons , an account of the language of the mountainous parts of the, p. 129. From 
what this country derived its name, p. 240. See Language. 
Guinea, 1719, obfervations on the variation of the compafs, to, in, and from thence, 
the Eaft Indies, Weft Indies, and Mediterranean, with the latitudes and longitudes at 
the lime of obferv ation, p. 18. See 'Tables. 
Gum aLes, made from the leaves of Aloe Socotorina, p. 287. 
Gunaquas. Hotentots fo called, p. 296. 
H. 
Hair. Extraordinary effedts of lightning on the white hair of bealls, p. 493 — 49S. 
500 — 502. Queries concerning the ftrength of dark-coloured hair, and that of a 
white or light-colour, p. 499, 500. Conjectures concerning the effedts of lightning 
on the parts of beafls covered with white hair, p. 502, 503. 
Halts, Dr. his opinions concerning air in the blood, p. 230 — 232. 
Haller, his opinion concerning air in the blood, p. 232, 233. 
Halley, Dr. his recommendation of Douglafs’s colledtion of obfervations on the varia- 
tion of the compafs, p. 21. 
Hamilton, Dr. Robert, his account of a fuppreflion of urine cured by 'a pundture made 
in the bladder through the anus, p. £78. See Urine. 
Hartiquas Kloof, a pafs through a great chain of mountains in the fouthern part of 
Africa, p. 289. 
Health, the method taken for preferving it in the crew of his majefty’s Ihip the Refolu- 
tion, during the late voyage round the world, p. 402. Extraordinary attention given 
by the admiralty for preferving the health of the feamen, ibid. Sweet-wort given in 
plenty to the feamen, p. 402, 403. One of the beft antifcorbutic fea-medicines, p.. 
403. Sour krout given to the men, ibid. Highly antifcorbutic, ibid. Portable 
foup or broth boiled with vegetables very ferviceable, ibid. Rob of lemons and 
oranges found ufeful, ibid. Ship furnilhed with fugar in the room of oil, and with 
wheat inltead of much oatmeal, p. 404. Sugar a good antifcorbutic, ibid. Great 
care of the men in their labour, ibid. Their perfons, &c. kept clean and dry, ibid- 
Ship kept clean and dry, ibid. Too great attention cannot be paid to cleanlincfs in 
the /hip among the people, p. 405. Ship’s coppers kept clean, ibid. The fat boiled 
out of the fait beef and pork never given to the feamen, ibid. Frcfli water taken-in 
whenever it could be procured, ibid. Plenty of frelh water and cleanlinefs will pre- 
vent a lhip’s company being much adli&ed with the feurvy, ibid. Benefits arifing 
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