| 000 | 00456 a2200157 4500 | ||
|---|---|---|---|
| 245 | 1 | _aSynopsis of the snakes of the genus Heterodon, with the diagnosis of a new race of Heterodon nasicus Baird and Girard | |
| 260 |
_aChicago _c1952 |
||
| 650 | _aSnakes | ||
| 650 | _aGenus Heterodon | ||
| 650 | _aDiagnosis | ||
| 100 | 1 |
_aEdgren, Richard A. _d |
|
| 300 | _a4 p. | ||
| 440 |
_aNo. 112 _vNatural History Miscellanea |
||
| 942 |
_2udc _cB |
||
| 901 | _a42877 | ||
| 999 |
_c56221 _d56221 |
||