Une analyse approfondie de l'embryologie des bryozoaires, un groupe d'animaux marins connus sous le nom de mousse d'eau. Jules Barrois examine les caract ristiques de reproduction et de d veloppement de ces organismes fascinants. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and...