1896.] Distribution of Batrachia and Reptilia. 1023 
Celestus enneagrammus Rhadinxa vittata Jan. 
Cope. Rhadinæa decorata Gthr. 
Liolepisma laterale Say. Eutænia sumichrastii Cope. 
Anelytropsis papillosusCope. Eutænia chrysocephala Cope. 
Eutænia pulchrilatus Cope. 
SERPENTES: Eutenia scalaris Cope. 
Atractus latifrontalis Garm. Eutænia phenax Cope. 
Ficimia olivacea Gray. Sibon frenatum Cope. 
Epiglottophis  lineaticollis Sibon personatum Cope. 
ope. Sibon albofuscum Lac. 
Osceola doliata polyzona sor pre mexicanus D. & 
ope. . 
Ninia diademata B. & G. Ophryacus undulatus Jan. 
Storeria dekayi Stor. Systrurus ravus Cope. 
Storeria occipitomaculata Orotalus triseriatus Wagl. 
Holbr. 
Of all the above species the following are found also in the 
Austrocentral district: 
Barissia imbricata Wiegm. Phrynosoma orbiculare 
Sceloporus variabilis Wiegm. Wiegm. 
Sceloporus microlepidotus Eutenia pulchrilatus Cope. 
Wiegm. 
Species found in the Austroriparian subregion : 
Liolepisma laterale Say. Storeria occiptomaculata Holbr. 
Storeria dekayi Stor. 
To the Austroriental list might be added Spelerpes bellii 
Gray, which is stated by Sumichrast to inhabit also the Tierra 
Caliente ; and Anolis nannodes Cope, which the same authority 
says ranges from the Tierra Caliente into the Alpine district. 
The water-snake Natrix rhombifera Hallow. may occur in the 
Austroriental district, but this needs confirmation. 
The Austroccidental district is inhabited by a number of 
peculiar species, together with some which occur in the other 
two districts of the Toltecan subregion. One peculiarity of 
this district is the poverty in Batrachia and the absence of 
Urodela. The peculiar species are the following: 
