[ <34 3 
D. 
'Days, fair and frofty in London in each half-month, and in the whole year, cotninehc- 
ing March 1775, p. 358. Numbers of fnowy days in the fame year, and with what 
winds attended, ibid. Frofty days in Briftol in the year 1775, p. 368. 
Death, inftantaneous, may be caufed by electricity, p. 413. Three kinds of violent 
deaths, p. 41 t-. 
De la Caille , Abbe-, his map of the direction of Saldana Bay the only right one, 
P . 277. 
De Salts , Count, a bible in the Romanfh language prefented by him to the Royal Society, 
p. 129. 
Defaguliers, his fuppofed error in applying received doctrines of theory to pra&ica! 
mechanics, p. 452 — 454. 454, n. 456, 457. 
Dipping-needle belonging to the Royal Society, concerning it, p. 393“*-40J. Obferva- 
tions made with it, p. 400. True dip at London, ibid. Dip at London in the 
years 1576, 1676, 1720, and 1723, p. 401. Obfervations on the dipping-needle at 
Albany Fort, p. 179 — i8r. 
Dog, experiments on, and with refpecl to keeping the heart and lungs in motion by a 
pair of bellows, p. 416, 417. 
Dogs, wild, do great damage to the cattle in the fouthern parts of Africa, p. 278. 
They deftroy the antelopes there, ibid. Dogs greatly difordered by eating of fome 
poifonous fi(h in the South Seas, p. 551. 552. 
Donati, his obfervation on the Gorgonia pretio/a, p. 9. 
Douglas, Mr. Robert, his 1719 obfervations on the variation Of the compafs, to, in, and 
from, the Fall Indies, Guinea, Weft Indies, and Mediterranean, with the latitudes 
and longitudes at the time of obfervation, p. 18. See Tables. 
Draakenjleen , in the fouthern part of Africa, an account of, p. 270, 271. Moll kinds 
of European fruit there, p. 270. 
Drefs of the Hottentots, an account of it, p. I2£. 296. 
Drowned people, apparently, propofals for the recovery of, p. 412. Obfervations and 
experiments relative to the lofs and recovery of the aftions of life, p. 412— 415. 
The lofs of the motions of life by drowning confidered, p. 416 — 418. A method of 
treating people who are apparently drowned recommended, p. 418 — 424. Appa* 
jatus to be ufed for the recovery of perfons apparently drowned, p. 424, 425. 
Earthquake, in Briftol, in the year V 7 7 p. 368. 
Eajl Indies , 1719 obfervations on the variation of the cotfipafs, to, irt, and from there* 
Guinea, Weft Indies, and Mediterranean, with the latitudes and longitudes at the 
time of obfervation, p. 1 8* See Tables. 
Elans 
