Endosperm development after controlled pollination within and between species of Trillium and Paris A. F. Dyer OriginalPaper Pages: 549 - 567
Asynchronie intra- et interchromosomique de l'incorporation de la thymidine 3H dans les chromosomes d'Haemanthus katharinae Bak B. RodkiewiczM. J. Olszewska OriginalPaper Pages: 568 - 571
Cyto-morphological studies op some species and hybrids in the Eu-Sorghums M. L. MagoonK. G. Shambulingappa OriginalPaper Pages: 572 - 588
Genome analysis in Triticum zhukovskyi, a new hexaploid wheat M. D. UpadhyaM. S. Swaminathan OriginalPaper Pages: 589 - 600
A spontaneous interchange in chorthippus brunneus with extensive chiasma formation in an interstitial segment B. JohnG. M. Hewitt OriginalPaper Pages: 638 - 650
Genaktivitäten in den Riesenchromosomen von Chironomus tentans und ihre Beziehungen zur Entwicklung Ulrich Clever OriginalPaper Pages: 651 - 675