INDEX. 557 
Crater of mount Etna incrufted with falls and fulphurs 
like that of Vcfuvius, p. 14. 
D. 
Davis , Captain, his method of preparing birds for pre- 
fervation, p. 1 84. 
Diadems whether worn by Syracufian Monarchs ? p. 84. 
Dinapoor, obfervation of the late tranfit of Venus at that 
place, p. 239. 
Dipping needles conftrudted by Mr. Bernoulli and Mr. 
Euler, p. 36 6. 
Douglas , Captain Charles, his experiments to afcertain 
the temperature of the fea in great depths, p. 39. 
Doz, Don Vincent, his obfervation of the tranfit of Ve- 
nus in California, p. 549. 
Dunn, Mr. Samuel, his determination of the external and 
internal conradt of Venus with the Sun’s limbs, p. 65. 
Dymond , Mr. Jofeph, his obfervations in the courfe of a 
voyage to Hudfon’s bay, p. 100, 102, 137, &tc. 
E. 
Eleftrical lateral explofion invefligated, p. 192, 193. En- 
ters and leaves an infulared body without altering its 
electricity, p. 207. 
EleElricity, anfwering to the furfaces and not to the bulks 
of bodies, p. 295. 
EUis, John Eft]-, his letter on the Loblolly bay, p. 518. 
On the Starry anifeed tree, p. 524. 
Eller , Mr. his table of falts abforbed in water without 
encreafing its bulk, p. 327. 
Efkimaux feen and defcribed, p. 106, 108, &c. 
Etna, Account of it by the Hon. William Hamilton, p. 
r. The molt ancient and naofi: conliderable of the 
volcanoes, p. 2. Now called MonGibello, p. 3. Its 
caverns filled With friow, p. 8. Its alcent gradual till 
near the top, p. n. Glorious views from the higheft 
point., p. 12. A circle of 900 miles; feen from it, 
ibid. 
