H. Nishida, J. Morokuma, and T. Nishikata, Maternal Cytoplasmic Factors for Generation of Unique Cleavage Patterns in Animal Embryos.
E. Del Campillo, Multiple Endo -1,4-b-d-glucanase (Cellulase) Genes in Arabidopsis.
C. Viebahn, The Anterior Margin of the Mammalian Gastrula: Comparative and Phylogenetic Aspects of Its Role in Axis Formation and Head Induction.
D.A. Weisblat, F.Z. Huang, D.E. Isaksen, N.-J.L. Liu, and P. Chang, The Other Side of the Embryo: An Application of the Non-D Quadrants in Leech Embryos.
S.J. Wright, Sperm Nuclear Activation During Fertilization.
F.M. Vaccarino, M.L. Schwartz, R. Raballo, J. Rhee, and R. Lyn-Cook, Fibroblast Growth Factor Signaling Regulates Growth and Morphogenesis at Multiple Steps During Brain Development.
Contents of Previous Volumes.