Sunday morning. mayflies / Summer :

Neotropical mayflies /
by: Needham, James G. (James George), 1868-1957
Published: (1924)

The phylogenetic system of Ephemeroptera /
by: Kli͡uge, N. I͡U
Published: (2004)

The mayflies of Florida.
by: Berner, Lewis
Published: (1950)

Mayflies of the world : a catalog of the family and genus group taxa : (Insecta: Ephemeroptera) /
by: Hubbard, Michael D.
Published: (1990)

Mayflies and stoneflies : life histories and biology : proceedings of the 5th International Ephemeroptera Conference and the 9th International Plecoptera Conference /
Published: (1990)

The mayflies of North and Central America /
by: Edmunds, George F.
Published: (1976)

The mayflies of Florida /
by: Berner, Lewis
Published: (1988)

The mayflies of Florida.
by: Berner, Lewis
Published: (1988)

The mayflies of Europe (Ephemeroptera) /
by: Bauernfeind, Ernst
Published: (2012)

Atlas de distribution des éphémères de suisse (Insecta, Ephemeroptera) /
by: Sartori, Michel
Published: (1999)

A catalogue of the Plecoptera of the world /
by: Claassen, P. W. (Peter Walter), 1886-1937
Published: (1940)

Eatonia.

Ephemeroidea /
by: Grandi, Marta
Published: (1960)

Katalog der rezenten Plecoptera.
Published: (1966)

Haplohyphes (Ephemeroptera:Leptohyphidae), new species and stage descriptions with a key to separate the species of the genus /
by: Molineri, Carlos
Published: (2003)

A tabular summary of the biology of North American mayfly nymphs (Ephemeroptera).
by: Berner, Lewis
Published: (1959)

Proceedings of the first International Conference on Ephomeroptera, Florida agricultural and mechanical University, August 17-20, 1970 /
Published: (1973)

Advances in ephemeroptera biology /
Published: (1980)

A revision of the Leptophlebiidae of the West Indies (Ephemeroptera) /
by: Peters, William L., 1939-
Published: (1971)

International advances in the ecology, zoogeography, and systematics of mayflies and stoneflies /
Published: (2008)

Ephemeroptera of South America /
Published: (2006)

Environmental requirements and pollution tolerance of ephemeroptera /
by: Hubbard, Michael D.
Published: (1978)

Mayflies /
by: Harker, Janet E.
Published: (1989)

Encyclopedia of South American aquatic insects. illustrated keys to known families, genera, and species in South America /
by: Heckman, Charles W., 1941-
Published: (2002)

Overview and strategies of ephemeroptera and plecoptera /
Published: (1991)

Environmental requirements and pollution tolerance of Plecoptera /
by: Surdick, Rebecca F., 1952-
Published: (1978)

Trends in research in Ephemeroptera and Plecoptera /
Published: (2001)

A revision of the Leptophlebiidae of the West Indies (Ephemeroptera) /
by: Peters, William L., 1939-
Published: (1971)

Biosystematic revision of the genus Stenonema (Ephemeroptera:Heptageniidae) /
by: Bednarik, A. F.
Published: (1979)

Studies of common fishes of the Mississippi River at Keokuk /
by: Coker, R. E. (Robert Ervin), 1876-1967
Published: (1930)

A survey of unionid mussels in the upper Mississippi River (Pools 3 through 11) /
by: Thiel, Pamella A.
Published: (1981)

Father Mississippi /
by: Saxon, Lyle, 1891-1946
Published: (1927)

Commercial and sport fishes of the Mississippi River between Caruthersville, Missouri and Dubuque, Iowa
by: Barnickol, Paul G, et al.
Published: (1952)

Distributional patterns of southeastern mayflies (Ephemeroptera) /
by: Berner, Lewis
Published: (1977)

2015 flood control and navigation maps, Mississippi River : Cairo, Illinois to the Gulf of Mexico, mile 953 A.H.P. to mile 22 B.H.P.
Published: (2015)

Mississippi steamboatin' : a history of steamboating on the Mississippi and its tributaries /
by: Quick, Herbert, 1861-1925, et al.
Published: (1926)