Genetic variability and divergence between populations and species of Nesticus cave spiders D. CesaroniG. AllegrucciV. Sbordoni OriginalPaper Pages: 81 - 92
Autosomal and sex-chromosomal polymorphism in a wild population of the Norway rat, Rattus norvegicus R. Diaz de la GuardiaJ. P. M. CamachoR. G. Ladron de Guevara OriginalPaper Pages: 93 - 97
Spontaneous meiotic non-disjunction in mammals. A study evaluating the various experimental approaches J. H. NijhoffP. de Boer OriginalPaper Pages: 99 - 122
New developments in vertebrate cytotaxonomy IV. Cytogenetic studies in reptiles D. Peccinini-Seale OriginalPaper Pages: 123 - 148
New developments in vertebrate cytotaxonomy V. Cytotaxonomy of lampreys I. C. PotterE. S. Robinson OriginalPaper Pages: 149 - 151
Multiple function of pteridines in Drosophila I. Specific fluorescent patterns in three sibling species G. E. W. ThörigP. W. H. HeinstraW. Scharloo OriginalPaper Pages: 153 - 160