A contribution to the biology of May-flies ...
By: by Anna Haven Morgan.
Published: 1913
Place of publication: [Columbus, O.]
Language: eng
Number of pages: 413
Subjects: Mayflies
Notes: Bibliography: p. 401-411.
Thesis (Ph. D.)--Cornell university' 1912.
Plates printed on both sides.
"Reprinted from Annals Entomological society of America, vol. VI, no. 3., September, 1913."
"Contribution from the Limnological laboratory of Cornell university."