Transcriber's note:

pg [76] Changed: Crucifera thebaica to: Cucifera
pg [184,] footnote [176,] Changed: Plate 21 to: Plate 20
pg [220] Changed: gives undulys hort weight to: unduly short
pg [221] Changed: especially in measurng the to: measuring
pg [224] Changed: at one end pased over to: passed
pg [323] Changed: justify a futher advance to: further
pg [350,] footnote [338,] Changed all instances of: ʿ to: ’
pg [423] Changed: author’s meterological record to: meteorological
pg [435] Changed: abounding in in “dûm palms.” to: abounding in “dûm palms.”
pg [442] Changed: in an expense of yellow sea to: expanse
pg [451] Changed: Bultum Babá to: Bullum
pg [457] Changed: authors have asumed that to: assumed
pg [460] Changed: del settrentrionale d’Africa to: settentrionale
pg [468] Changed: Oriental Translations Fund, 1941 to: 1841
pg [470] Changed: Agheláshem wells to: Aghelashem
pg [473] Changed: Aulimmiden, the, [. . .] inheritance system disliked by, 153 to: 152
pg [487] Changed: Songhai atack on to: attack
Minor changes in punctuation have been done silently.
Other spelling inconsistencies have been left unchanged.
New original cover art included with this eBook is granted to the public domain.