A contribution to the biology of May-flies ..
Book digitized by Google from the library of University of Michigan and uploaded to the Internet Archive by user tpb. 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." Bibliography: p. 401-411
Do you want to exchange books? It’s EASY!
Get registered and find other users who want to give their favourite books to good hands!
