Jaculus orientalis Erxleben, 1777 . Syst. Regn. Anim., 1:404.

TYPE LOCALITY: Egypt, in the "mountains separating Egypt from Arabia" (Allen, 1939:424) .

DISTRIBUTION: Deserts of N Africa and Arabia (Harrison and Bates, 1991), from Morocco E through Algeria (Kowalski and Rzebik-Kowalska, 1991), Tunisia (Vesmanis, 1984), and Libya (Ranck, 1968) to Egypt (Osborn and Helmy, 1980), Sinai and S Israel.

SYNONYMS: bipes, gerboa, locusta, mauritanicus (see Ellerman and Morrison-Scott, 1951).

COMMENTS: J. orientalis has been identified from the late Pliocene in Ethiopia (Wesselman, 1984) and Plio-Pleistocene in Kenya (Black and Krishtalka, 1986). See comment under J. turcmenicus .