| General Distribution. | |||||
 | |||||
| Neotropical Sub-regions. | Nearctic Sub-regions. | Palæarctic Sub-regions. | Ethiopian Sub-regions. | Oriental Sub-regions. | Australian Sub-regions. |
| — — — — | — — — — | — 2 — — | — — — — | — — — — | — — — — |
The single species of Trogonophis, forming this family, is found only in North Africa.
Family 27.—CHIROTIDÆ. (1 Genus, 1 Species.)
| General Distribution. | |||||
| |||||
| Neotropical Sub-regions. | Nearctic Sub-regions. | Palæarctic 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.—AMPHISBÆNIDÆ. (1 Genus, 13 Species.)
| General Distribution. | |||||
| |||||
| Neotropical Sub-regions. | Nearctic Sub-regions. | Palæarctic Sub-regions. | Ethiopian Sub-regions. | Oriental Sub-regions. | Australian Sub-regions. |
| 1. 2 — 4 | — — — — | — 2 — — | 1. 2 — — | — — — — | — — — — |
The Amphisbænidæ, which, in the opinion of Dr. Günther, are all comprised in the genus Amphisbæna, inhabit Spain and Asia Minor, North and Tropical Africa, South America as far as Buenos-Ayres and the West Indian Islands.
Family 29.—LEPIDOSTERNIDÆ. (3 Genera, 6 Species.)
| General Distribution. | |||||
| |||||
| Neotropical Sub-regions. | Nearctic Sub-regions. | Palæarctic Sub-regions. | Ethiopian Sub-regions. | Oriental Sub-regions. | Australian Sub-regions. |
| 1. 2 — — | — — — — | — — — — | — 2. 3 — | — — — — | — — — — |