Sequence of puff formation inRhynchosciara polytene chromosomes Ellen MattinglyCurtis Parker OriginalPaper Pages: 255 - 270
Relationship of developmental stage to initiation of replication in polytene nuclei Toby C. Rodman OriginalPaper Pages: 271 - 287
Die intraspezifische Variabilität des heterochromatischen Armes eines Chromosoms bei der GattungCarabus L. (Coleoptera) Friedrich Weber OriginalPaper Pages: 288 - 308
Unusually large sex chromosomes in the sitatunga (Tragelaphus spekei) and the blackbuck (Antilope cervicapra) Doris H. WursterKurt BenirschkeH. Noelke OriginalPaper Pages: 317 - 323
Essai d'analyse biométrique du caryotype de l'Amphibien UrodèleSalamandra salamandra L. A. KessousH. CaussinusJ. C. Beetschen OriginalPaper Pages: 324 - 332
Germ line and oogenesis during paedogenetic reproduction inHeteropeza pygmaea Winnertz (Diptera: Cecidomyiidae) Samuel Panellius OriginalPaper Pages: 333 - 345
Brachycome lineariloba: A species for experimental cytogenetics S. Smith-White OriginalPaper Pages: 359 - 364