The origin of skeleton forming cells in the sea urchin embryo Susan UrbenCorey NislowMelvin Spiegel OriginalPaper Pages: 447 - 456
Two groups of interrelated genes regulate early neurogenesis in Drosophila melanogaster Michael BrandJosé A. Campos-Ortega OriginalPaper Pages: 457 - 470
Nerve cell and nematocyte production in Hydra is deregulated by lithium ions Monika HasselStefan Berking OriginalPaper Pages: 471 - 475
Interactions between janus and bcd cortical pattern mutants in Tetrahymena thermophila Eric Stephen ColeJoseph FrankelLeslie Meek Jenkins OriginalPaper Pages: 476 - 489
Cell-specific endopolyploidy in developing Artemia John A. FreemanRobert B. Chronister Short Communications Pages: 490 - 495
Role of hormones in starvation-induced delay in larval hemolymph protein gene expression in Galleria mellonella Nancy Ann MemmelAparna RayAlapati Krishna Kumaran Short Communications Pages: 496 - 502
Expression of myosin heavy chain isoforms in myogenic clones obtained from developing quail breast muscle Keith E. LathamIrwin R. Konigsberg Short Communications Pages: 503 - 506
Expression of a reporter gene resembles that of its neighbour: an insertion in the hairy gene of Drosophila Laurent FasanoNathalie CoréStephen Kerridge Short Communications Pages: 507 - 512
A traction-based mechanism for somitogenesis in the chick Jonathan B. L. Bard Short Communications Pages: 513 - 517
Etxtramacrochaetae, a trans-acting gene of the achaete-scute complex of drosophila involved in cell communication Luis A. García AlonsoAntonio García-Bellido Erratum Pages: 518 - 518