Cytotaxonomy of the monopodial orchids of the African and Malagasy regions J. C. ArendsF. M. Van der Laan OriginalPaper Pages: 81 - 94
Altitudinal variation in Arianta arbustorum (Mollusca, Pulmonata) in the Swiss Alps H. BuriaW. Stahel OriginalPaper Pages: 95 - 108
Distribution of silver-stained nucleolus-organizing regions in the chromosomes of the Equidae I. K. GadiO. A. Ryder OriginalPaper Pages: 109 - 116
Genome analysis of ground squirrels of the genus Citellus (Rodentia, Sciuridae) II. DNA sequence organization A. A. GinatulinL. K. GinatulinaN. N. Vorontsoy OriginalPaper Pages: 117 - 128
Interspecific comparisons of polytene chromosomes in the genus Parasarcophaga (Sarcophagidae: Diptera) D. KaulR. R. Tewari OriginalPaper Pages: 129 - 138
Effects of allozyme variation on fitness components in Drosophila melanogaster J. M. SerradillaF. J. Ayala OriginalPaper Pages: 139 - 146
Some apparently simple relationships involving missing scutellar bristles in scute mutants of Drosophila melanogaster B. Wallace OriginalPaper Pages: 147 - 158
