Studies on the formation and state of determination of the trunk organizer in the newt,Cynops pyrrhogaster Teruo KanédaAkio S. Suzuki OriginalPaper Pages: 8 - 12
Ultrastructural and experimental investigations of sperm-egg interactions in fertilization ofHydra carnea Thomas G. Honegger OriginalPaper Pages: 13 - 20
Early events in retinoic acid-induced ptilopody in the chick embryo Danielle Dhouailly OriginalPaper Pages: 21 - 27
The role of parental positional information in the determination of antero-posterior polarity during palleal budding in ascidians Kazuo KawamuraHiroshi Watanabe OriginalPaper Pages: 28 - 36
Developmental and biochemical alterations caused by tunicamycin inBufo arenarum embryos Sara S. SánchezFrancisco D. Barbieri OriginalPaper Pages: 37 - 41
Ultrastructural localization of adenylate cyclase and cAMP phosphodiesterase in the gastrulating chick embryo Toomas NeumanTiit LaasbergJüri Kärner Rapid Communications Pages: 42 - 44
Neural induction in amphibians Manorama JohnJutta JaneczekHildegard Tiedemann Rapid Communications Pages: 45 - 47
Development of imaginal discs from lethal hybrids betweenDrosophila melanogaster andDrosophila mauritiana Lucas SánchezAndreas Dübendorfer Rapid Communications Pages: 48 - 50