On the action of ribonuclease in salivary gland cells of drosophila F. M. RitossaJ. F. PulitzerR. C. von Borstel OriginalPaper Pages: 144 - 151
Replication of autosomal heterochromatin in man A. Lima-de-FariaJ. ReitaluMary Ann O'Sullivan OriginalPaper Pages: 152 - 161
On the chromosomes of the geometrid moth genus Cidaria Esko Suomalainen OriginalPaper Pages: 166 - 184
X-ray-induced changes in the chromosomes of Limotettix (Homoptera) Olli Halkka OriginalPaper Pages: 185 - 191
Chromosome behaviour in diploid and tetraploid cells of sphodromantis gastrica and its bearing on chromosome evolution in the mantids S. A. Henderson OriginalPaper Pages: 192 - 221
Struktur-Differenzierungen im Y-Chromosom von Drosophila hydei und ihre Beziehungen zu Gen-Aktivitäten Oswald Hess OriginalPaper Pages: 222 - 248