Shaking a concept: Hans Driesch and the varied fates of sea urchin blastomeres Klaus Sander Essay Pages: 265 - 265
Observations on the polarity of mutant Drosophila follicles lacking the oocyte Johannes BohrmannAnne FreyHerwig O. Gutzeit Original Articles Pages: 268 - 274
A study on cell lineage, especially the germ cell line, in embryos of the teleost fish,Barbus conchonius Petra GeversJohn DulosLucy P. M. Timmermans Original Articles Pages: 275 - 283
The spatial expression ofDrosophila rotund gene reveals that the imaginal discs are organized in domains along the proximal-distal axis Magali AgnelLaurence RöderChristine Vola Original Articles Pages: 284 - 295
A quantitative method for separation of livingHydra cells Martin J. GreberCharles N. DavidThomas W. Holstein Original Articles Pages: 296 - 300
Embryonic development of muscle patterns in the body wall of the grasshopper Fukang XieThomas MeierHeinrich Reichert Original Articles Pages: 301 - 311
Precocious synthesis of a thyroid hormone receptor inXenopus embryos causes hormone-dependent developmental abnormalities Robert OldElizabeth Ashby JonesDarrin Paul Smith Original Articles Pages: 312 - 321
Connective tissue is involved in adult epithelial development of the small intestine during anuran metamorphosis in vitro Atsuko Ishizuya-OkaAtsumi Shimozawa Original Articles Pages: 322 - 329
