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2
Morphology of the insect abdomen: Part I. General structure of the abdomen and its appendages and its appendages
Published 1931“…Smithsonian miscellaneous collections…”
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3
Effectiveness in nature of the so-called protective adaptations in the animal kingdom, chiefly as illustrated by the food habits of nearctic birds
Published 1932“…Smithsonian miscellaneous collections No. 7…”
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4
Morphology and mechanism of the insect thorax
Published 1927“…Smithsonian miscellaneous collections, Volume 80, Number 1…”
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5
Studies in invertebrate morphology
Published 1959“…Smithsonian miscellaneous collections; v.137 (Whole volume)…”
Book