The salter waters apparently tend to make their way westwards close to the African coast, and at the bottom the highest salinities have been observed south of Crete.
The very dense water of the Red Sea and the Mediterranean makes the column of water salter and heavier and the level lower than in the ocean beyond the straits.
Salter, the palaeontologist; and in 1852 he included the Llandeilo and Bala beds (Silurian) in the Upper Cambrian.
This attitude he maintained until the year of his death (1873), when there appeared his introduction to Salter's Catalogue of Cambrian and Silurian Fossils.
This statement holds good for the Gulf of Suez, in which the water is much salter than in the open;sea; but in the Gulf of Akaba the distribution is exceedingly uniform, nowhere differing much from an average of 40.6 per mille.