The role of tensile fields and contact cell polarization in the morphogenesis of amphibian axial rudiments Lev V. Beloussov OriginalPaper Pages: 1 - 7
The effect of heparin upon differentiation of ventral halves of frog gastrulae Reed Adams Flickinger OriginalPaper Pages: 9 - 11
Scanning electron microscope study of the medio palatal epithelium: Simultaneous modifications characterizing fusion and degenerescence processes M. T. TassinR. Weill OriginalPaper Pages: 13 - 21
Insect egg cortex isolated by microsurgery: Specific protein pattern and uridine incorporation Otto Schmidt OriginalPaper Pages: 23 - 26
In vitro differentiation ofPieris brassicae imaginal wing discs: Effects and metabolism of ecdysone and ecdysterone Catherine BlaisRené Lafont OriginalPaper Pages: 27 - 36
Analysis of the predetermining effect of a sex realizer by ovary transplantations in the monogenic flyChrysomya rufifacies Fritz-Helmut Ullerich OriginalPaper Pages: 37 - 43
Ultrastructural study of differentiation processes during aggregation of purified sponge archaeocytes Marco BuscemaDanielle De SutterGysèle Van de Vyver OriginalPaper Pages: 45 - 53
The effect of temperature onshibire ts cell clones in the compound eye ofDrosophila melanogaster Ursula DietrichJ. A. Campos-Ortega OriginalPaper Pages: 55 - 63
Migration and division of cleavage nuclei in the gall midge,Wachtliella persicariae Rainer Wolf OriginalPaper Pages: 65 - 73
Immunological analysis of hemoglobin transition during metamorphosis of normal and isogenicXenopus John J. JustJosef SchwagerHedi Pfister OriginalPaper Pages: 75 - 80
Inhibition of chitin biosynthesis in cultured imaginal discs: Effects of alpha-amanitin, actinomycin-D, cycloheximide, and puromycin Herbert OberlanderStephen FerkovichFrank Van Essen OriginalPaper Pages: 84 - 86
A new method for the isolation of plasma membranes from amphibian embryos Horst Grunz Short Communication Pages: 87 - 89
