A history of infusoria, living and fossil. Arranged according to the "Infusionsthierchen" of C. H. Ehrenberg; containing coloured engravings, illustrative of all the genera, and descriptions of all the species in that work

A history of infusoria, living and fossil. Arranged according to the "Infusionsthierchen" of C. H. Ehrenberg; containing coloured engravings, illustrative of all the genera, and descriptions of all the species in that work