Reprint of 3rd vol. of the author's "Instructions nautiques et routiers arabes et portugais des XVe et XVIe siecles", published in Paris, 1928.

Chiefly French, some English and Arabic.

Title on added t.p.: Madkhal ilā ʻilm al-falaka al-Baḥrī ʻind al-ʻArab.

Includes bibliographical references an index.