Variations and genetic relationships of the garter-snakes / by Alexander G. Ruthven.
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| Main Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
Govt. print. off,
1908.
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| Series: | Bulletin (United States National Museum) ;
61. |
| Subjects: |
| Physical Description: | 201 pages : illustrations ; 25 cm. |
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| Bibliography: | Bibliography: pages 195-198. |