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- Author(s):
- Packard, A. S. (Alpheus Spring), 1839-1905, author
- Publication:
- Salem, Mass. : Peabody Academy of Science, 1871
- Subject(s):
- Insecta -- embryology
- Author(s):
- Packard, A. S. (Alpheus Spring), 1839-1905, author
- Publication:
- New York : Henry Holt and Company, 1876
- Subject(s):
- Embryology
Anatomy, Comparative
- Author(s):
- Packard, A. S. (Alpheus Spring), 1839-1905, author
- Publication:
- New York : Henry Holt and Company, 1878
- Subject(s):
- Embryology
Anatomy, Comparative
- Author(s):
- Packard, A. S. (Alpheus Spring), 1839-1905, author
- Publication:
- Salem, Mass. : Peabody Academy of Science, 1872
- Subject(s):
- Insects -- embryology
- Author(s):
- Packard, A. S. (Alpheus Spring), 1839-1905, author
- Publication:
- [Philadelphia?] : [publisher not identified], [1880?]
- Subject(s):
- Horseshoe Crabs -- anatomy & histology
Brain -- anatomy & histology
- Author(s):
- Packard, A. S. (Alpheus Spring), 1839-1905, author
- Publication:
- [Washington, D.C.?] : [publisher not identified], [1880]
- Subject(s):
- Grasshoppers -- anatomy & histology
Brain -- anatomy & histology