• Evolutionary Theory and Processes of Active Speciation and Adaptive Radiation in Subterranean Mole Rats, Spalax ehrenbergi Superspecies in Israel; E. Nevo. The Evolution of Regulatory Genes and Patterns in Drosophilia; W.J. Dickinson. A Longterm Study Involving Drosophila melanogaster and Toxic Media; L. Ehrman, et al. A Molecular Perspective on the Evolutionary Relationships of the Salamander Families; A. Larson. The Biological Explosion at the PrecambrianCambrian Boundary; J.W. Valentine, et al. Apparent Adaptation and Actual Performance; R. McNeill Alexander. On the Measurement of Morphological Rates of Evolution: A Review; E.J. Fenster, et al. Phenotypic Plasticity in a Cretaceous Ammonite Analysed by Multivariate Statistical Methods: A Methodological Study; R.A. Reyment, et al. Wilhelm Roux: Early Historical Inferences Regarding the 'Why' of Nuclear Division Patterns with a Translation of Roux (1883) M. Grene, et al. Index.

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