388 
GEOGRAPHICAL ZOOLOGY. 
[part IV. 
large species belonging to the Pythonidse, so that we are evi- 
dently still very far from knowing anything of the earliest forms 
of this order. In some of the later Tertiary deposits the poison 
fangs of venomous species have been found; also a Colubrine 
snake from the Upper Miocene of the South of France. 
Order II.—. LAC ERT ILIA. 
Family 26. — TBOGONOPHIDiE. (1 Genus, 1 Species.) 
General Distribution. 
Neotropical 
Sub-regions. 
Nearctic 
S UB-REGJONS. 
Pal-earctic 
Sub-regions. 
Ethiopian 
Sub-regions. 
Oriental 
Sub-regions. 
Australian 
Sub-regions. 
| 
J 
The single species of Trogonophis, forming this family, is found 
only in North Africa. 
Family 27. — CHIROTIDaE. (1 Genus, 1 Species.) 
General Distribution. 
Xtotropical 
Sub-regions. 
Nearctic 
Sub-regions. 
Palsearctic 
Sub-regions. 
Ethiopian 
Sub-regions. 
Oriental 
Sub-regions. 
Australian 
Sub-regions. 
3 — 
, 3 — 
Chirotes, the genus which constitutes this family, inhabits 
Mexico, and has also been found in Missouri, one of the Southern 
United States. 
Family 28. — AMPHISB/ENIDiE. (1 Genus, 13 Species.) 
General Distribution. 
Neotropical I Nearctic 
Pai^earctic 
Ethiopian 
Oriental 
Australian 
SUB-REGIONS. SUB-REGIONS. 
Sub-regions, 
Sub-regions. 
SUB-REGIONS. 
Sub-regions. 
1.2 — 4 
Q __ 
1.2 
— 
— 
1.2 — 4 
