1896.] Distribution of Batrachia and Reptilia. 1025 
Cnemidophorus guttatus B. Natrix storerioides Cope. 
& G. Eutenia eques Reuss. 
Sceloporus scalaris Wiegm. Eutænia melanogaster 
Phrynosoma orbiculare Wiegm. 
: Epiglottophis pleurostictus 
Anolis nebulosus Wiegm. D. & B: 
Tantilla calamarina Cope. 
SERPENTES: Trimorphodon biscutatus D. 
Drymobius  margaritiferus & B. 
Schl. Trimorphodon upsilon Cope. 
Diadophis lætus Cope. Crotalus triseriatus Wagl. 
Osceola doliata polyzona Orotalus polystictus Cope. 
_ Cope. Crotalus basiliscus Cope. 
Hemigenius variabilis 
Dugés. 
A number of species inhabit the Austroccidental and Aus- 
troriental districts, passing to the southward of the Austro- 
central, at least so far as present information extends. These 
are the following: 
BATRACHIA ANURA: SERPENTES : 
Smilisca baudinii D. & B. Rhadinza vittata Jan. 
ne rr a 
SAURIA: 
TES v' ote? Lre . 
Sceloporus torquatus Green. Giheyii undulatus Ps an. 
Phrynosoma taurus Dugés. Crotalus triseriatus Wag]. 
Gerrhonotus oaxace Gthr: 
The species of the Toltecan subregion are as follows: 
Austroriental district; © ~. a 4. ee 
Austrocentral district, i : ; ; ; : 36 
Austroccidental district, : ‘ à : ; : 24 
73 
Doubles emplois, ; ‘ : : : : ; 2 
