Note 146 — Chapter XIII
Reading edition
The independent development of the supraœsophageal ganglion and ventral nerve-cord in Chætopoda (vide Kleinenberg, Development of Lumbricus trapezoides) agrees very satisfactorily with this view.
Reading edition
The independent development of the supraœsophageal ganglion and ventral nerve-cord in Chætopoda (vide Kleinenberg, Development of Lumbricus trapezoides) agrees very satisfactorily with this view.