Lessons from a queen's lost offspring —Theodor Boveri on honeybee gynanders and other genetic mosaics K. Sander Essay Pages: 121 - 123
Embryogenesis in mouth-breeding cichlids (Osteichthyes, Teleostei) structure and fate of the enveloping layer Richard Fleig Original Articles Pages: 124 - 130
Patterns of protein synthesis in the imaginal discs of Drosophila melanogaster: a comparison between different discs and stages Juan F. SantarénRosa AssiegoAntonio García-Bellido Original Articles Pages: 131 - 139
Epidermal growth factor and transforming growth factor alpha regulate extracellular matrix production by embryonic mouse palatal mesenchymal cells cultured on a variety of substrata Michael James DixonDavid ForemanJames Ferguson Original Articles Pages: 140 - 150
Sequential emergence of the evenly spaced microchaetes on the notum of Drosophila Kazuya UsuiKen-ichi Kimura Original Articles Pages: 151 - 158
Identification of TGF-β-related genes in the early chick embryo Irit HarrisLiliana MizrahiEduardo Mitrani Short Communications Pages: 159 - 163
Embryonic appearance of rod opsin in the urodele amphibian eye David Stephen McDevittSamir Kumar BrahmaJean-Claude Jeanny Short Communications Pages: 164 - 168
Effects of retinoic acid on epiboly, convergence and gastrulation of embryos of the medaka, Oryzias latipes (Teleostei, Cyprinodontidae) Petra GeversJ. Manuel Denuce Short Communications Pages: 169 - 174