A. S. Packard, most likely refers to Alpheus Spring Packard, an American entomologist and paleontologist who lived from 1839 to 1905. Here's a summary of what we know about him:
- Entomologist & Paleontologist: His main areas of study were insects (especially butterflies and moths) and fossils [Wikipedia].
- Prolific Discoverer: He described over 500 new animal species [Wikipedia].
- Founding Father: A. S. Packard was one of the founders of The American Naturalist, a scientific journal [Wikipedia].
- Author & Educator: He wrote textbooks on zoology for schools and colleges [Wikipedia]. Some of his works are even available for free online [Project Gutenberg].
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