INDEX. 
Health , Inftances of the Benefit of Ventilators in the Pre- 
fer vaiion thereof 
33 2 
Hearing, a Method to reftore the fame, when injured by 
an Obftru6tion of th zTuba Eujlachiana — 213 
Heat of melted Lead * * not too great to be borne in the Sto- 
mach without immediate Death — 480 
Heath , Fine-leaved, Account of that Plant — 829 
Low dutch, or Bezom, D 1 
— ibid. 
Heberden, (Dr. Wm.) Letter to him concerning the Earth- 
quake at Madeira, Nov. 1. 17 55 — 432 
Hie (Chrijlianus) his Efiay on the Preffure of Weights, 
in the Motion of Machines — — 
Hellebore, Bajlard, Account of that Plant — 
Marfh, D ? 
Hemlock, Long-leaved, D° 
Water, D y 
1 
8.5 1 
85 1 
82 3 
822 
Henkel (ftilmari) Efq^ Letter to him concerning the Earth- 
quake, Nov. 1. 1755, at Oporto — — 418 
Herb Paris, Account of that Plant — 831 
• — Woodrooffe, D° — — 811 
Herculaneum, Account of the late Difcoveries there 109,- 
: 10, 1 12, 490 
. Artifice made ufe of to unroll the Manu- 
fcripts found there — — 1 13 
HertfordfJjire, Account of the extraordinary Agitation of 
the Water in feveral Ponds there — — 684 
Hind Berry, Account of that Plant — — 834 
Plipcne (otherwife Bonne ) in Barbary, extraordinary Cur- 
rents there — — — — 638 
Hijlory, Natural, of the Adriatic Sea, an Account of that 
Work — — — — 5S5 
Hodgfon (Mr. John ) his Account of a Fiffure in a Rock,. 
near Petworth , in Suffex * — — 35S 
Holdfworth (Rev. Mr.) Extract of a Letter from him, re- 
lating to the Agitation of the Waters at Dartmouth 643 
Holland, Account of an Earthquake felt there 544, 545 
Hollis ( Thomas ) Efq*, Extract of Letters to him, concern- 
ing the late Difcoveries at Herculaneum — 109, 490 
Hand? 
