La cytologie de l'œuf issu du croisement de la femelle parthénogénétique Luffia ferchaultella Steph. Avec le mâle de L. Lapidella Goeze (Lepid. psychidae) Marguerite Narbel-Hofstetter OriginalPaper Pages: 153 - 176
Autosomal polymorphism due to pericentric inversions in the deer mouse (peromyscus maniculatus), and some evidence of somatic segregation S. OhnoC. WeilerC. Stenius OriginalPaper Pages: 177 - 187
Une inversion péricentrique à l'origine d'un polymorphisme chromosomique non-robertsonien dans une population de mastomys. (Rodentia-Murinae) Robert Matthey OriginalPaper Pages: 188 - 200
Premiers stades de l'oogenèse de Rhabdophaga saliciperda (Cecidomyiidae, Diptera) Zygmunt Kraczkiewicz OriginalPaper Pages: 208 - 229
An inducible change in state on the chromosomes of Sciara: Its effects on the genetic components of the X Helen V. Crouse OriginalPaper Pages: 230 - 253
A polymorphism for heterochromatic supernumerary segments in Chorthippus parallelus B. JohnG. M. Hewitt OriginalPaper Pages: 254 - 271
Some facts concerning the nature and formation of axial core structures in spermatids of Gryllus domesticus David R. WolstenholmeGünther F. Meyer OriginalPaper Pages: 272 - 286
The meiotic consequences of spontaneous Chromosome breakage K. R. LewisB. John OriginalPaper Pages: 287 - 304
Cytophotometric studies on the DNA content in diploid and polyploid enchytraeidae (Oligochaeta) B. Christensen OriginalPaper Pages: 305 - 315
Karyotyp und DNS-Gehalt von Bufo bufo, B. viridis, B. bufo × B. viridis und B. calamita (Amphibia, Anura) Fritz -Helmut Ullerich OriginalPaper Pages: 316 - 342
The stemline chromosomes of three cell lines representing different vertebrate classes Albert LevanWarren W. NicholsLewis L. Coriell OriginalPaper Pages: 343 - 358
An autoradiographic study of the chromosomes of the rat, with special regard to the sex chromosomes Nobuo TakagiSajiro Makino OriginalPaper Pages: 359 - 370
