382 
GEOGRAPHICAL ZOOLOGY. 
[PART IV. 
The Erycidse, or Land Snakes, form a small hut 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 ; Gonyylopkis (1 sp.), India and 
Sikhim ; Eryx (4 sp.), has the range of the entire family. 
Family 19.— ACBOCHORDIDiE. (2 Genera, 3 Species) 
General Distribution. 
Neotropical 
Sub-regions. 
Nearctic 
Sub-regions. 
Pai^earctic 
Sub- regions. 
Ethiopian 
Sub- regions. 
Oriental 
Sub-regions. 
Australian 
Sub-regions. 
1 
a 
1 
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 ; Chersy - 
drus, Southern India and the Malay Peninsula, with a species 
recently discovered in New Guinea. 
Family 20. — ELAPIDiE. (23 Genera, 100 Species.) 
General Distribution. 
Neotropical 
Sub-regions. 
Nearctic 
Sub-regions. 
PaL-E ARCTIC 
Sub-regions. 
Ethiopian 
Sub-regions. 
Oriental 
Sub-regions. 
Australian 
Sub-regions. 
1 . 2.3 — 
3 — 
4 
1 . 2 . 3 - 
1 . 2 . 3. 4 
1 . 2 , 3 - 
The Elapidse, or Terrestrial venomous Colubrine Snakes, are 
an extensive group, spread over the tropics of the whole world, 
but especially abundant in Australia, where half the known 
species occur, some of them being the most deadly of venomous 
serpents. In the Oriental region they are also abundant, contain- 
ing amongst other forms, the well-known Cobras. The American 
species are almost equally numerous, but they all belong to one 
