This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks,...
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks,...
Dans cet ouvrage, Alfonso L. Herrera décrit les notions générales de biologie et de plasmogénie comparées. Il se penche notamment sur les différences entre les cellules animales et végétales ainsi...