INDEX. 
Cornwall , account of antiquities found there. Page 13 
D • 
DaCoJla (Mr. Emanuel' Mendez) his remarks on fome ob- 
fervations relating to the production of the Terra Tri- 
politana, or Tripoli ' — — — 192 
Damafcus , account of the late earthquake there 532 
Darzvin ( Erafmus ) M. D. cafe of an uncommon hasmopiy- 
fis related by him — — — 526 
Daw/on ( Ambrofe ) M. D. cafe of a very long fuppreflion 
of urine related by him — — — 215 
Day (Mr. Mark) his account of the comet feen in January 
1750 — — — — 469 
Delaval ( Edward ) M. A. his letter, containing fome elec- 
trical experiments and obfervations — — 83 
Defcription of a metalline thermometer — — 823 
~ of a bird, fuppofed to be bred between a tur- 
key and pheafant — — — 834 
Defcriptio montium quorundam ligno foflili infarCtorum 
506 
De Venuti (Signor Abbate) extracts of fome letters from 
him, relating to feveral antiquities lately dilcovered in 
Italy — — — — 201 
Diapafon , the fpecies thereof explained 706 
Difcovery of albedos in France, account thereof 837 
Dottrine (harmonic) explained, as far as concerns the feven 
modes admitted by Ptoiemey — — 697 
— (mufical) of the fame modes explained, and its 
agreement with the harmonic fhewn 703 
Dottrines, fomething of the origin of the harmonic and 
mufical pointed out — — — 729 
Dutton (Mr. John) his account of a meteor feen at Chig- 
well-row, in Effex, Odober 20, 1759 — 302 
E 
Earth , its ftruClure and compofition - — — — 582 
3 its ftrata regular and uniform — — ibid . 
Earth- 
