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Start Over You searched for: Authors Packard, A. S. (Alpheus Spring), 1839-1905, author ✖Remove constraint Authors: Packard, A. S. (Alpheus Spring), 1839-1905, authorRefine by:
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- Packard, A. S. (Alpheus Spring), 1839-1905, author✖[remove]6
- Embryological studies on Diplax, Perithemis, and the Thysanurous genus Isotoma1
- Embryological studies on hexapodous insects1
- Life histories of animals, including man, or, Outlines of comparative embryology1
- On the internal structure of the brain of Limulus polyphemus1
- Outlines of comparative embryology1
Current results range from 1871 to 1880