By W. T. Hillier
This publication consists of 7 chapters and starts with an advent to a thought of animal formation, particularly, the idea of twin structure. This concept hypothesize that if new kinds of animal come up during the fusion of 2 animals of diverse type, then one should locate one of the participants of the animal nation a few kinds that may be known as kind Animals. of those style animals are thought of, the archi-annelid Polygordius and the herring (Clupea harengus). the ultimate chapters describe the theoretical features in their skeleton and bones.
This publication is of price to zoologists, theorists, and researchers within the allied fields.
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A Theory of the Formation of Animals by W. T. Hillier