Una nueva especie genero _Melanopleurus_ Stal (Hemiptera-Heteroptera-Lygaeidae-Lygaeinae) de California, Estados Unidos de Norteamericana. Posted December 14, 2017 in Bibliographies
Fishes, macroinvertebrates, and aquatic habitats of the Purgatorie River in Pinion Canyon, Colorado. Posted December 14, 2017 in Bibliographies
Variable fish communities and the index of biotic integrity in a western Great Plains river. Posted December 14, 2017 in Bibliographies
Three New Slender Salamanders _(Batrachoseps)_ with a Discussion of Relationships and Speciation within the Genus Posted December 14, 2017 in Bibliographies
Oxygen isotope fractionation between diatomaceous silica and water Posted December 14, 2017 in Bibliographies
Thermal fronts as ecotones and zoo-geographic barriers in marine and freshwater systems. Posted December 14, 2017 in Bibliographies
The lateralis components of the acustico-lateralis system in the sunfish family Centrarchidae. Posted December 14, 2017 in Bibliographies
The lateral-line system in the Rio Grande perch, Cichlasoma cyanoguttatum (Baird and Girard). Posted December 14, 2017 in Bibliographies