Biosystematics of the Muellerianella complex (Homopters, Delphacidae), hybridization studies C. J. H. Booii OriginalPaper Pages: 161 - 170
Glucosephosphate-isomerase expression in a tetrapioid fish, Moxostoma lachneri (Cypriniformes, Catostomidae): evidence for ‘retetraploidization’? D. G. Buth OriginalPaper Pages: 171 - 175
Geographic structuring of molecular and morphological polymorphism in Pyrenean populations of the snail Cepaea nemoralis D. CaugantR. K. SelanderJ. S. Jones OriginalPaper Pages: 177 - 191
Cytogenetics of the South American Akodont rodents (Cricetidae) X. Akodon mollis: a species with XY females and B chromosomes L. LobatoG. CantosS. Merani OriginalPaper Pages: 199 - 205
Protein variation in diploid and tetraploid orchard grass (Dactylis glomerata L.): Formal genetics and population polymorphism of peroxidases and malate dehydrogenases R. Lumaret OriginalPaper Pages: 207 - 215
The action of the Notch locus in Drosophila melanogaster III. Biochemical effects of recessive visible mutations on mitochondrial enzymes G. E. W. ThörigW. Scharloo OriginalPaper Pages: 219 - 223
DNA/DNA Hybridization studies among six endemic Hawaiian Drosophila species C. D. TriantaphyllidisR. H. Richardson OriginalPaper Pages: 225 - 229
Ethanol tolerance, alcohol-dehydrogenase activity and Adh allozymes in Drosophila melanogaster L. K. ZioloP. A. Parsons OriginalPaper Pages: 231 - 237