Mechanisms of repression and derepression of artificial transformation of pigmented epithelium into retina inXenopus laevis Alla A. Sologub OriginalPaper Pages: 277 - 291
Effets du 2-mercapto-1-(β-4-pyridéthyl) benzimidazole sur le développement et le métabolisme de l'œuf de l'OursinParacentrotus lividus Roger Lallier OriginalPaper Pages: 293 - 304
On the causes of sterility in some interspecific hybrids from theMelanogaster subgroup ofDrosophila Pedro Santamaria OriginalPaper Pages: 305 - 310
Polar morphogenesis in early hydroid development: Action of caesium, of neurotransmitters and of an intrinsic head activator on pattern formation Werner A. MüllerArntraud MitzeHans M. Meier-Menge OriginalPaper Pages: 311 - 328
Differenzierungsvorgänge in der keimenden Gemmula vonEphydatia fluviatilis Doris Höhr OriginalPaper Pages: 329 - 346
Factors promoting the establishment of primary cultures of liver cells fromXenopus larvae Walter WahliRudolf Weber OriginalPaper Pages: 347 - 360