de Gengiscan, l.iv.c.

9,) Histoire Genealogique des Tatars, (tom.

i.
p.

120,) Olearius, (Voyage en Perse, p.

1039--1041,) and Corneille le Bruyn, (Voyages, tom.i.p.146, 147:) his view may be compared with the plan of Olearius, who judges the wall to be of shells and gravel hardened by time.] [Footnote 139: Procopius, though with some confusion, always denominates them Caspian, (Persic.l.i.c.