Changes in the distribution of gap junctions inDrosophila melanogaster wing discs during the third larval and early pupal stages of development Jan Stephen RyerseBarbara Ann Nagel OriginalPaper Pages: 187 - 196
Oogenesis in a paedogenetic dipteran insect under normal conditions and after experimental elimination of the follicular epithelium Pablo Junquera OriginalPaper Pages: 197 - 204
Cell membrane regionalization and cytoplasm polarization in the rat early embryo Pablo LoisLuis Izquierdo OriginalPaper Pages: 205 - 210
Appearance of brush-border antigens and sucrase in the allantoic endoderm cultured in recombination with digestive-tract mesenchymes Susumu Matsushita OriginalPaper Pages: 211 - 218
Developmental alterations in the appearance of hatching activity inIlyanassa obsoleta embryos Charles H. Sullivan OriginalPaper Pages: 219 - 225
The development of sensory nerves within the wing ofDrosophila melanogaster Hilary Anderson OriginalPaper Pages: 226 - 233
Acetylcholinesterase and polyingression in the epiblast of the primitive streak chick embryo Philip L. PennerIrving Brick OriginalPaper Pages: 234 - 241
Genetic regulation of theAchaete-scute complex ofDrosophila melanogaster J. Moscoso del PradoA. Garcia-Bellido OriginalPaper Pages: 242 - 245
Cell interactions in the generation of chaetae pattern inDrosophila J. Moscoso del PradoA. Garcia-Bellido OriginalPaper Pages: 246 - 251
Ecdysteroids induce morphological changes in continuous cell lines of Lepidoptera Naomi KislevIsrael SegalMarvin Edelman Rapid Communications Pages: 252 - 256
Ooplasmic segregation of the myoplasmic actin network in stratified ascidian eggs William R. JefferyStephen Meier Rapid Communications Pages: 257 - 262
TheUbx syndrome ofDrosophila: the prothoracic transformation (ppx) is independent ofbx, bxd andpbx Ernesto Sánchez-HerreroGinés Morata Rapid Communications Pages: 263 - 265