In 1967, the author conducted a herpetolog cal survey of the islands of Niijima, Shikinejima, and Kozushima, which belong to the Izu island chain of Japan.
The harpetological fauna of thes islands is very poor, and no amphibians occur, but the author confirmed the occurrence of 4 species of reptiles belonging to 3 families, as listed below.
Colubridae
1. Elaphe quadrivirgata (Boie, 1826) (Niijima, Kozushima).
2. Elaphe climacophora (Boie, 1826) (Niijima, Kozushima).
Scincdae
3. Eumeces okadae Stejneger, 1907 (Niijima, Shikinejima, Kozushima).
Lacertidae
4. Takydromus tachydromoides (Schlegel, 1838) (Kozushima).

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