<p style='text-align: justify;'>CD gives his definition of "highness" and "lowness" as "morphological differentiation" from a common embryo or archetype. JDH’s view, with which CD agrees when it can be applied, is the same as Milne-Edwards’, i.e., the physiological division of labour. There is little agreement among zoologists and CD admits his own lack of clarity.</p>
This image has the following copyright:
Choose one of the available sizes to download:
This metadata has the following copyright:
Do you want to download metadata for this document?