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By: Hegner, Robert WType: ArticleIn: PsycheVolume: 22Series:Issue:Date: 1915Page Range: 24--27Publication Info: Cambridge, Mass, Cambridge Entomological Club,Subjects:
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By: Hegner, Robert WType: ArticleIn: The Biological bulletinVolume: 20Series:Issue:Date: 1911-04-01Page Range: 237--251Publication Info: Woods Hole, Mass Marine Biological LaboratorySubjects:
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By: Hegner, Robert WType: ArticleIn: PsycheVolume: 17Series:Issue:Date: 1910Page Range: 160--160Publication Info: Cambridge, Mass, Cambridge Entomological Club,Subjects: