Further studies on polyploid amphibians (Ceratophrydidae) Maria Luiza BeçakWilly Beçak OriginalPaper Pages: 377 - 385
Multiple sex-chromosomes in the common Indian Krait, Bungarus caeruleus Schneider L. SinghT. SharmaS. P. Ray-Chaudhuri OriginalPaper Pages: 386 - 391
Meiosis in the male mouse. An autoradiographic investigation S. Kofman-AlfaroAnn C. Chandley OriginalPaper Pages: 404 - 420
Chromosome pairing in the oögonial cells of Drosophila melanogaster Rhoda F. GrellJ. W. Day OriginalPaper Pages: 434 - 445
The discriminating fluorescence patterns of the chromosomes of Drosophila melanogaster Canio G. Vosa OriginalPaper Pages: 446 - 451
Polytene chromosome structure at the submicroscopic level J. DerksenH. D. Berendes OriginalPaper Pages: 468 - 477
Heterogeneity in G2 duration during lateral root development S. H. SocherD. Davidson OriginalPaper Pages: 478 - 484