Analysis of an SD second chromosome from a natural population of Drosophila melanogaster R. CicchettiA. Loverre OriginalPaper Pages: 159 - 167
Karyometrical analysis of 10 species of the subfamily Monocelidinae (Proseriata, Platyhelminthes) with remarks on the karyological evolution of the Monocelididae M. C. Curini-GallettiI. PuccinelliP. M. Martens OriginalPaper Pages: 169 - 178
Karyotype and meiosis studies in three South African Pyrgomorpha species (Orthoptera: Pyrgomorphidae) A. FosseyH. LiebenbergD. H. Jacobs OriginalPaper Pages: 179 - 183
Non-reciprocal gonadal dysgenesis in hybrids of the chironomid midge Chironomus thummi II. Gonadal-dysgenesis inducing chromosomes K. HägeleB. Oschmann OriginalPaper Pages: 185 - 193
Colchicine action at meiotic prophase revealed by SC-spreading J. Loidl OriginalPaper Pages: 195 - 203
Differential viability of allelic isozymes in the marine gastropod Cerithium scabridum exposed to the environmental stress of nonionic detergent and crude oil-surfactant mixtures E. NevoB. Lavie OriginalPaper Pages: 205 - 213
Mating patterns of different Adh genotypes of Drosophila melanogaster I. Differences in mating ability J. A. Sánchez PradoG. Blanco Lizana OriginalPaper Pages: 219 - 224
A cytogenetic description of a new species of the Anopheles culicifacies complex S. G. SugunaS. C. TewariR. Reuben OriginalPaper Pages: 225 - 230