genealogic study of dragon-fly wing venation.
By: By James G. Needham ...
Publisher: Govt. print. off.
Published: 1903
Place of publication: Washington
Language: eng
Number of pages: 764
Subjects: Odonata; Venation
Notes: From the Proceedings of the United States national museum, vol. XXVI, p. 703-764 ... <no. 1331.>

Thesis (Ph. D) - Cornell university - Slip pasted on t.-p.