Effect of certain environments on the carapace of the freshwater ostracod cypridopsis vidua (Müller)

Abstract

A FREQUENTLY occurring problem in quantitative palæontology concerns the effect of environment on the shell of an organism. In an attempt to elucidate a micro-palaeontological aspect of this question the effects on the carapace dimensions of C. vidua of the two environmental types 'lime-rich, freshwater' and 'stagnant, freshwater' were investigated by laboratory experiments, backed up by biometrical analysis. As a standard of reference observations were also made on a population kept under 'normal' conditions. © 1963 Nature Publishing Group.