The present writer believes that the date palm was really indigenous to this district of the Jerid, as it is to countries of similar description in southern Morocco, southern Algeria, parts of the Tripolitaine, Egypt, Mesopotamia, southern Persia and north-western India; but that north of the latitude of the Jerid the date did not grow naturally in Mauretania, just as it was foreign to all parts of Europe, in which, as in true North Africa, its presence is due to the hand of man.

The eastern division of the Atlas, which forms the backbone of Algeria and Tunisia, is adequately known with the exception of the small portion in Morocco forming the province of Er-Rif.

Among his books may be mentioned Mogreb-elAcksa: a Journey in Morocco (1898); The Ipane (1899); A Vanished Arcadia (1901); Faith (1909); Hope (1910); Charity (1912); A Life of Bernal Diaz del Castillo (1915); A Brazilian Mystic (1920); Cartagena and the Books of the Sinu (1920).

The Argan tree (A rgania Sideroxylon), which forms forests in Morocco, is a remarkable survivor of a tropical family (Sapotaceae).

m.) It is at the southern extremity of Liberia, Cape Palmas, that the West African coast from Morocco to the southernmost extremity of Guinea turns somewhat abruptly eastwards and northwards and faces the Gulf of Guinea.