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382 GEOGRAPHICAL ZOOLOGY. [part IV.
The Erycidse, or Land Snakes, form a small but natural family,
chiefly found in the desert zone on the confines of the Palsearctic,
Oriental, and Ethiopian regions. They range from South Europe
to West Africa and to Sikhim. The three genera are distributed
as follows :
—
Cursoria (1 sp.), Afghanistan ; Qongylophis (1 sp.), India and
Sikhim ; Eryx (4 sp.), has the range of the entire family.
Family 19.—ACEOCHORDID^. (2 Genera, 3 Species)
NEOrrfoPICAL
SUB-REC.IONS.
Nearctic
Sub-regions.
General Distribution.
Pal^arctic
Sub- REGIONS.
Ethiopian
Sub-regions.
Oriental
Sub-regions.
Australian
Sub-regions.
The Acrochordidse, or Wart Snakes, form a small and isolated
group, found only in two sub-divisions of the Oriental region
the South Indian and the Malayan, and in New Guinea.
Acrochordus, inhabits Penang, Singapore, and Borneo ;
1
—
Chersy-
drus, Southern India and the Malay Peninsula, with a species
recently discovered in New Guinea.
Family 20.—ELAPID^. (23 Genera, 100 Species.)