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Show 117 Smith, 1959 G. R. Effects of pollution on the Weber River, Utah. Unpublished M. S. thesis. Salt Lake City, University of Utah. 114 pp. Spieth, 1941 H. T. Taxonomic studies Ame r Traver, J. Mid"ll. , on Na tur. the Ephemeroptera II. The genus Hexagenia 26: 233- 280. R. 1943 New Venezuelan 1944 Notes on mayflies. Bol. Brazilian mayflies. Ent. Bo1. Venezolana Mus. 2:79-98. Nacional Brazil. Zool. 22:1-53. 1946 Ne t e s on Neotropical mayflies. Part 1. Family Baetidae, family Leptophlebiinae. Ent, 17:418-436. Rev, 1946 N0tes on Neotropica1 mayflies. Part II. Family Baetidae, Rev Ent. 18:149-160. family Leptoph1ebiinae. 1947bJ Notes Rev. on Ent. Neotropical mayflies. Part III. Part IV. on Neotropical mayflies. Rev. Ent. 21:593-614. (Continued}. Notes 1958 The subfamily .Leptohyphinae I. sb Family Ephemeridae. 18:70-395. 1950 Part sub Ann. Ent. Soc. Family Ephemeridae (Ephemeroptera:TricorythidaeJ. Amer. 51:491-503. 1959 Family Leptophlebiidae: Uruguayan mayflies. Soc. Uruguaya Ent. 3·:1-19. 1960a Some Mexican and Costa Rican mayflies. Bull. Part I. Rev Brooklyn Ent. Soc. 5:16-23. 1960b 1960c Uruguayan mayflies. family Leptoph1ebiidae: Soc. Uruguaya Ent. 4:19-28. Uruguayan mayflies. Soc, Uruguaya Ent. Family Leptoph1ebiidae: 4:73-86. Part II. Part III. Rev. Rev. |
