Common hydroids, corals and echinoderms.
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Boston,
D.C. Heath and Company,
1897.
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| Series: | Guides for science-teaching, no. v
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| Subjects: |
| Item Description: | At head of title: Boston society of natural history. |
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| Physical Description: | 32 pages frontispiece, 11 plates 16 cm |