Pedetes Caffer

Jumping \Jump"ing\, p. a. & vb. n.
   of {Jump}, to leap.
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   {Jumping bean}, a seed of a Mexican {Euphorbia}, containing
      the larva of a moth ({Carpocapsa saltitans}). The larva by
      its sudden movements causes the seed to roll to roll and
      jump about.

   {Jumping deer} (Zool.), a South African rodent ({Pedetes
      Caffer}), allied to the jerboa.

   {Jumping louse} (Zool.), any of the numerous species of plant
      lice belonging to the family {Psyllid[ae]}, several of
      which are injurious to fruit trees.

   {Jumping mouse} (Zool.), North American mouse ({Zapus
      Hudsonius}), having a long tail and large hind legs. It is
      noted for its jumping powers. Called also {kangaroo
      mouse}.

   {Jumping mullet} (Zool.), gray mullet.

   {Jumping shrew} (Zool.), any African insectivore of the genus
      {Macroscelides}. They are allied to the shrews, but have
      large hind legs adapted for jumping.

   {Jumping spider} (Zool.), spider of the genus {Salticus} and
      other related genera; one of the Saltigrad[ae]; -- so
      called because it leaps upon its prey.
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Jerboa \Jer*bo"a\, n. [Ar. yarb[=u]`.] (Zool.)
   Any small jumping rodent of the genus {Dipus}, esp. {Dipus
   Aegyptius}, which is common in Egypt and the adjacent
   countries. The jerboas have very long hind legs and a long
   tail. [Written also {gerboa}.]
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   Note: The name is also applied to other small jumping
         rodents, as the {Pedetes Caffer}, of the Cape of Good
         Hope.
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   {Jerboa kangaroo} (Zool.), small Australian kangaroo
      ({Bettongia penicillata}), about the size of a common
      hare.
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