On the genus Umma Kirby (Odonata)
By: by Elliot Pinhey.
Series: Arnoldia,; v. 4, no. 17
Publisher: National Museums of Southern Rhodesia
Published: 1969
Place of publication: [Bulawayo]
Language: eng
Number of pages: 11
Subjects: Umma -- Classification.; Insects -- Classification.
Notes: Bibliography: p. 11.
Caption title.