C 8 °7 ] 
to drinl^ mentions a Diverfity of Saltnefs of the 
Water at the Nore in the Mouth of the Thames , 
and the Water taken up in the Mediterranean Sea , 
this containing of Sait, the former Mr. Boyle , 
in his Obfervations of the Saltnefs of the Sea, p. 4. 
faith, that about Holland the Salt in the Sea- water 
hath been found to be In the English Chanel, 
p. 31. he found Sea- water heavier than Conduit- 
water j and, by immeriing a Lump of Sulphur in it, 
he found the Difference yj but by Diftillation ad 
ficcitatem, p. 33- he found the Salt to be and in 
another Trial ~- 7 . It is certain the Sea differs in Salt- 
nefs in different Parts : It is, in general, obferved, 
that in hotteft Climates the Water is thefalteft. At 
Mofambique Mr. Boyle , ib.p. 29. relates an Inftance 
of a Ship drawing Two Handsbreadth lefs Water 
than ufual. On the contrary, when Salt-water 
freezes, it hath been thought to let fall all its Salt ; 
the Ice of Sea- water, and the Water melted from it, 
tailing frefh, and being good for boiling Meat 
and Peafe in : Capt. Middiet on^ being in Hudfons 
St r eights in July 1738. took Ice from under the 
Surface of the Sea, which he melted till he got 40 
Quarts of Water, which he evaporated to Drynefs, 
and out of that Quantity had only Six Ounces of 
Salt, or about ttj. 
XIV. A 
