TY  - JOUR
TI  - A contribution to the herpetology of British Columbia
T2  - Proceedings of the Academy of Natural Sciences of Philadelphia
VL  - 1893
UR  - https://www.biodiversitylibrary.org/part/23701
PB  - Academy of Natural Sciences of Philadelphia
CY  - Philadelphia
PY  - 1893
SP  - 181
EP  - 184
AU  - Cope, E. D. (Edward Drinker),
ER  -