' ( 35i )

ter; the • extremes are T V and ,/ T , or 3per cent. or 4 per cent. nearly. Phipp§found the weight of its saline contents atthe back of Yarmouth sands nearly T ’ T , Lat.S3 0 . and Bergman found that taken up inthe latitude of the Canaries to contain about•s-4 of its Weight of saline matter; but thesequantities, even in the same latitude, arevariable, there being less in rainy than indry, and greater in stormy than in calmvveather (if the degrees of heat be not verydifferent), as storms powerfully promoteevaporation. Near land also, and particu-larly near the mouth of great rivers, it isevident the proportion of saline matterrUust be smaller than at a considerable dis-tance from them. It has been generallyimagined that at great depths the sea waterlS .more salt, though less nauseous, than atthe surface, but Mr. Bladh has completelyproved, that to the depth at least of 50fethom, there is no difference. 35 Mem.htock. Neither does the mere differ-ei *ce of latitude cause any considerabledifference in the proportion of saline mat-tcr contained in sea water, as appears by*he experiments of Phipps, Baume, and 1

Pages;