A new plant type in roselle (Hibiscus sabdariffa L.) and inheritance of two of its main distinguishing characteristics K. ChakravartyS. P. BanerjeeA. Shome OriginalPaper Pages: 81 - 83
Location and variation of the constitutive heterochromatin in Petunia hybrida A. J. J. DietrichJ. H. de JongR. J. P. Mulder OriginalPaper Pages: 85 - 91
Karyotype displacement in a laboratory population of the two spotted spider mite Tetranychus urticae (Koch): Experiments and computer simulations A. M. FeldmannM. W. Sabelis OriginalPaper Pages: 93 - 110
Dosage effect of a gene with a regulating effect on anthocyanin synthesis in a trisomic Petunia hybrida R. J. P. MulderA. J. J. DietrichJ. L. Oud OriginalPaper Pages: 111 - 115
Mating behaviour and analysis of eye pigmentation of several mutants of Drosophila melanogaster M. D. Ochando OriginalPaper Pages: 117 - 121
Meiosis in hybrids between tree coffees (C. liberica, C. dewevrei) and Nandi coffee (C. eugenioides) A. G. S. M. ReddyK. N. Narayan OriginalPaper Pages: 123 - 127
Cytogenetical studies in Erianthus: Meiosis and behaviour of B chromosomes in 2n=20 forms T. V. Sreenivasan OriginalPaper Pages: 129 - 132
A chromosome study on two new polyploid parthenogenetic weevils in Kyûshu, Japan Y. Takenouchi OriginalPaper Pages: 137 - 139
A further chromosome survey on a parthenogenetic weevil, Callirhopalus bifasciatus Roelofs (Coleoptera: Curculionidae) Y. Takenouchi OriginalPaper Pages: 141 - 146
On the chromosomes of the bisexual weevils of the genus Catapionus (Curcilionidae: Coleoptera) Y. Takenouchi OriginalPaper Pages: 147 - 150
Genetic variability in Chamaenerion angustifolium (L.) Scop. (Onagraceae) occurring on contrasting soils J. A. C. VerkleijJ. W. J. Koniuszek OriginalPaper Pages: 151 - 159