00961cam a22002651 4500001001300000003000400013005001700017008004100034010001700075035002000092040004900112042001200161050001700173100004100190245013500231260004300366300002700409490004000436500006900476500006400545504002800609650002100637650002000658999001700678f 22000043 DLC20260227111248.0850402s1922 dcuf b f000 0 eng c af 22000043  a(OCoLC)11877219 aU.S. Bur. of fish. LibrarycCSjUdOCoLCdDLC apremarc00aQL537.C5bL41 aLeathers, Adelbert Llewellyn,d1881-10aEcological study of aquatic midges and some related insects with special reference to feeding habits.cBy Adelbert L. Leathers ... aWashington,bGovt. Print. Off.,c1922. a61 p.bplates.c28 cm.0 aU.S. Bureau of Fisheries. Doc.v915 aFrom Bulletin of the Bureau of Fisheries, vol. XXXVIII, 1921-22. aPublished also as thesis (Ph. D.) Cornell University, 1916. aBibliography: p. 60-61. 0aAquatic insects. 0aAnimal ecology. c23264d23264