A Key To The Principal Orders and Families Of Insects, 3rd Edition 1928, Metcalf
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A Key To The Principal Orders and Families Of Insects, 3rd Edition 1928, Metcalf:
$0.99
This booklet was published in 1928 by its authors, Professors of Entomology, Z.P. Metcalf and C.L. Metcalfe.
It\'s intent was to produce a simple key for identification of 95 to 99% of \"true\" adult insects of North America known to exist at the time of publication.
The booklet was written in response to the question, \"What is it?\", the intent being to answer the question in a fundamental and scientific way.
A Key To The Principal Orders and Families Of Insects, 3rd Edition 1928, Metcalf:
$0.99