... Notes on the genus Erythemis
Subtitle: with a description of a new species (Odonata)
By: by E. B. Williamson.  The phylogeny and the distributon of the genus Erythemis (Odonata) by Clarence Hamilton Kennedy.
Contributors: Kennedy, Clarence Hamilton, 1879-
Series: University of Michigan.  Museum of zoology.  Miscellaneous publications,; no. 11
Publisher: The University
Published: 1923
Place of publication: Ann Arbor, Mich
Language: eng
Number of pages: 22
Subjects: Dragonflies.