CHAP. XIX.] 
REPTILES 
377 
Africa ; Helicops (2 sp.), North and South America ; Farancia 
and Dimodes , with one species each, are from New Orleans ; and 
a few others imperfectly known from Tropical America. 
Family 9.— PSAMMOPHIML (5 Genera, 20 Species.) 
General Distribution. 
Neotropical 
Sub-regions. 
N EARCTIC 
Sub-regions. 
Pal^earctic 
Sub-regions. 
Ethiopian 
Sub-regions. 
Oriental 
Sub-regions. 
Australian 
Sub-regions. 
— 
— 
— 2 
j 1 . 2 . 3.4 
M 
I 
to 
* 
— 
The Psammophidae, or Desert Snakes, are a small group 
characteristic of the Ethiopian and Oriental regions, but more 
abundant in the former. The distribution of the genera is as 
follows : — • 
Fsammophis (16 sp.), ranges from West Africa to Persia and 
Calcutta; Ccelopeltis (1 sp.), North and West Africa; Mimophis 
(1 sp.), Madagascar ; Fsammodynastes (2 sp.), Sikhim to Cochin 
China, Borneo and the Philippine Islands ; and Dromophis (1 
sp.), Tropical Africa. 
Family 10. — PACHIODONTIDiE. (1 Genus, 2 Species.) 
General Distribution. 
N fOTROPlCAL 
Sub-regions. 
Nearctic 
Sub-regions. 
Pal.earctic 
Sub-regions. 
Ethiopian 
Sub-regions. 
Oriental 
Sub-regions. 
| Australian 
Sub-regions. 
— 
— 
1 
W 
N 
1 
I 
— 
The Kachiodontidse are a small and very isolated group of 
snakes of doubtful affinities. The only genus, Dasypeltis (2 sp.), 
is confined to West and South Africa. 
