Karyotype variation and geographic distribution of the three sibling species of the Drosophila kikkawai complex V. BaimaiC. Chumchong OriginalPaper Pages: 113 - 120
A phenol oxidase polymorphism in Drosophila melanogaster P. BatterhamS. W. Mackechnie OriginalPaper Pages: 121 - 125
Biochemical genetics of the raccoon, Procyon lotor M. L. BeckM. L. Kennedy OriginalPaper Pages: 127 - 132
Apomixis and sexuality in Themeda forssk. At different ploidy levels (gramineae) S. P. Birari OriginalPaper Pages: 133 - 139
High genetic variability of lizards of the sand-dwelling lacertid genus Acanthodactylus F. BlancM.-L. Cariou OriginalPaper Pages: 141 - 147
Karyological studies on Uruguayan spiders I. banding pattern in chromosomes of Lycosa species (araneae-lycosidae) N. Brum-ZorrillaA. Postiglioni OriginalPaper Pages: 149 - 153
A chromosome study of eight Mediterranean species of Sparidae (pisces, perciformes) S. CataudellaP. Perin RizL. Sola OriginalPaper Pages: 155 - 159
Geographic divergence and sexual behaviour: Comparison of mating systems in French and afrotropical populations of Drosophila melanogaster Y. CohetJ. R. David OriginalPaper Pages: 161 - 165
Selection in a polymorphism with a rare allele R. CostaJ. A. Beardmore OriginalPaper Pages: 167 - 172
Cytological studies of the two-spotted spider mite Tetranychus urticae Koch (tetranychidae, trombidiformes) II. Meiosis in growing oocytes C. C. M. Feiertag-Koppen OriginalPaper Pages: 173 - 180
Banding patterns of the chromosomes of a specimen of Lagothrix lagothricha cana M. GarciaR. MiroJ. Egozcue OriginalPaper Pages: 181 - 184
Can statistical tests of neutrality detect selection? D. L. HartlH. BurlaH. Jungen OriginalPaper Pages: 185 - 189
Chromosome pairing and the meiotic behaviour of univalents in the synaptic mutants of pearl millet, Pennisetum americanum (L.) Leeke (gramineae) P. R. K. Koduru OriginalPaper Pages: 191 - 195
The genetics of Drosophila subobscura populations XIII. A study of lethal allelism M. LoukasC. B. KrimbasJ. Sourdis OriginalPaper Pages: 197 - 207
G-banding chromosome analysis of species a of the Mastomys natalensis complex (Smith, 1834) (Rodentia, Muridae) N. F. LyonsD. H. GordonC. A. Green OriginalPaper Pages: 209 - 212
The failure to obtain sexual isolation by artificial selection C. PetitO. KitagawaD. Nouaud OriginalPaper Pages: 213 - 219
Chromosome numbers of nine species of Daphniidae (Crustacea, Cladocera) M. Trentini OriginalPaper Pages: 221 - 223