The Type species of the genera and subgenera of bees
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| Format: | Book |
| Language: | English |
| Published: |
Washington :
Smithsonian Institution,
1943.
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| Subjects: |
| Item Description: | Separata del "No. 3156. Proceedings of the United States National Museum, v. 92, p. 519-619" |
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| Physical Description: | 519-619 páginas |