INDEX. 
Sea Breezes , how occafioned — — 146 
Sea Gillyflower , Account of that Plant — 825 
Sea Water, Some Obfervations concerning the Manner of 
making it frefli — — — 317 
Seleucia , in Syria , its Latitude — — 252 
Senjibility , an Account thereof in feveral Parts of Animals 
240 
Sheep , Account of One having a monftrous Horn growing 
from his Throat — — — — 183 
Sheernefs , Irregularities of the Tides there in Feb. 1756 
, 523 
Shepherd's Purfe , Account of that Plant — 839 
• — Rod , D 0 — — 8 1 1 
Shining, or Stone Doves -foot Cranes -bill, D° — 840 
Ship , Account of a Shower of Duft falling on one — « 509 
Ships , Instances of the Benefits of Ventilators on board of 
them, in the Prefervation of Health and Life — 332 
Shirburn Caflle , in Oxfordjhire , Surprifing Agitation of the 
Water there Nov. 1 , 1755 — — 368 
Short (James) M. A. Letter to him concerning the extra* 
ordinary Alteration in the Baths of Toplitz , in Bohemia , 
Nov. 1, 1755. — — ~ 395 
Shower of Duft, Account of One falling on a Ship, between 
Shetland and Iceland — — — 509 
Showers of frejh Air, the Benefit of blowing them up thro’ 
diddling Liquors — — 312 
Simon (James) his Journal of the Weather in Dublin , for 
the Year 1753 — — 759 
Simpfon (James) Efquire, Letter to him concerning the 
Agitation of the Water at Kingfale, in Ireland , Nov. 1, 
1 755 r — 394 
(Mr. Thomas) his Inveftigation of a general Rule 
for the Refolution of Ifoperimetrical Problems — 4 
his Letter concerning the Advantage 
of taking a Mean of a Number of aftronomical Obferva- 
tions — — — 82 
Spiking of a River, an Account thereof - — — 547 
7 Skin, 
