Mayer's Ontogeny and phylogeny of insects.
- Packard, A. S. (Alpheus Spring), 1839-1905.
- Date:
- [1876?]
Licence: Public Domain Mark
Credit: Mayer's Ontogeny and phylogeny of insects. Source: Wellcome Collection.
Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.
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