Jod als chemischer Faktor, der auf den Mutationsprozess von Drosophila Melanogaster wirkt W. W. Ssacharow OriginalPaper Pages: 193 - 216
Meiosis and fertility in certain British varieties of the cultivated potato (Solanum tuberosum L.) W. Ellison OriginalPaper Pages: 217 - 254
Some evolutionary aspects of a comparative cyto-genetic investigation between Aconitum and Solanum A. Afify OriginalPaper Pages: 255 - 276
Modellversuche zur Selektionswirkung von Faktormutationen bei Drosophila Melanogaster Georg Wiedemann OriginalPaper Pages: 277 - 290
Crossing-over in heterozygoten inversionen B. N. SidorowN. N. SokolowI. Eu. Trofimow OriginalPaper Pages: 291 - 312
Buntblättrige Chimären und der Ursprung des Mesophylls bei Dicotyledonen V. L. Rischkow OriginalPaper Pages: 313 - 336
Method for comparing the differences of the rate of disposition to cancer in specimens of different strains of mice R. Korteweg OriginalPaper Pages: 337 - 349
On the manner in which the disposition to carcinoma of the mammary gland is inherited in mice R. Korteweg OriginalPaper Pages: 350 - 371
The problem of specialization and variation in phytopathogenic fungi E. C. Stakman OriginalPaper Pages: 372 - 389