Notes on the biology of some of our North American species of May-flies. [By] Helen E. Murphy.

By: Material type: TextTextSeries: Bulletin of the Lloyd Library of Botany, Natural History, Pharmacy and Materia Medica ; no. 22. Entomological series, no. 2Publication details: [Cincinnati, 1922]Description: 46 p. illus., plates. 27 cmSubject(s): DDC classification:
  • 396.8L77 no.22
LOC classification:
  • AS36 .L592 no. 22
Contents:
I. The metamorphosis of May-fly mouth parts.--II. Notes on the biology of May-flies of the genus Baetis.
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Descriptive letterpress on versos facing the plates.

Contribution from the Limnological Laboratory, Cornell University.

Also issued as thesis (PH. D.) Cornell University, 1920.

Bibliography: p. 23-26.

I. The metamorphosis of May-fly mouth parts.--II. Notes on the biology of May-flies of the genus Baetis.

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