Evolution of the histological and functional structure of ectoderm, chordamesoderm and their derivatives in Anamnia Tatiana A. Dettlaff Centennial Essay Pages: 3 - 9
A functional analysis of the genes Enhancer of split and HLH-m5 during early neurogenesis in Drosophila melanogaster Kyria TietzeHerbert SchronsElisabeth Knust Original articles Pages: 10 - 17
Mayflies (ephemeroptera), the most “primitive” winged insects, have telotrophic meroistic ovaries Johannes GottankaJürgen Büning Original articles Pages: 18 - 27
Mesoderm differentiation in early amphibian embryos depends on the animal cap Hildegard Tiedemann OriginalPaper Pages: 28 - 33
A comparison of transplantable bicoid activity and partial bicoid homeobox sequences in several Drosophila and blowfly species (Calliphoridae) R. SchröderK. Sander OriginalPaper Pages: 34 - 43
Parabiotic development of fused eggs from the Hymenopteron, Pimpla turionellae, and of eggs injected with energids Doris BrentrupRainer Wolf OriginalPaper Pages: 44 - 50
Pattern formation fails after blastoderm formation by rapid cell cycles in an artificially activated insect egg Doris BrentrupRainer Wolf Original articles Pages: 51 - 59
Embryonic origin of the imaginal discs of the head of Drosophila melanogaster Amelia Younossi-HartensteinUlrich TepassVolker Hartenstein Original articles Pages: 60 - 73
Guanylate requirement for patterning the postcephalic body region of the brine shrimp Artemia Arantxa Hernandorena OriginalPaper Pages: 74 - 82
Developmental effects of monensin on Drosophila melanogaster Patrick CallaertsArnold De Loof OriginalPaper Pages: 83 - 91
Monoclonal antibodies recognizing larval- and pupal-specific cuticular proteins of Tenebrio molitor (Insecta, Coleoptera) Aleth LemoineClaire MillotJean Delachambre OriginalPaper Pages: 92 - 99
Morphogenesis of accessory nuclei during final stages of oogenesis in Cosmoconus meridionator (Hymenoptera: Ichneumonidae) Szczepan M. BilínskiJerzy KlagJanusz Kubrakiewicz OriginalPaper Pages: 100 - 103
Regulated spatial expression of fusion gene constructs with the 5′ upstream region of Halocynthia roretzi muscle actin gene in Ciona savignyi embryos Akira HikosakaNoriyuki SatohKazuhiro W. Makabe OriginalPaper Pages: 104 - 112
The segregation of inner and outer cells in porcine embryos follows a different pattern compared to the segregation in mouse embryos Marleen BoerjanGeertruy te Kronnie Short communications Pages: 113 - 116
Changing complexity of endogenous lectin activities during juvenile development of Xenopus laevis N. C. MilosY. N. Frunchak Short communications Pages: 117 - 120