Evidence on the time of chromosome pairing from the preleptotene spiral stage in Lilium longiflorum “Croft” Marta Sherman Walters OriginalPaper Pages: 375 - 418
The distribution of sister chromatids at mitosis in Chinese hamster cells David E. Comings OriginalPaper Pages: 428 - 433
Quantitative autoradiography of heterochromatin replication in Microtus agrestis David E. Comings OriginalPaper Pages: 434 - 445
A non-doubling DNA series in somatic tissues of the locusts Schistocerca gregaria (Forskål) and Locusta migratoria (Linn.) D. P. Fox OriginalPaper Pages: 446 - 461
The gregarisation pheromone of locusts D. J. NolteI. R. MayB. M. Thomas OriginalPaper Pages: 462 - 473