Note 124 — Chapter XIII
Reading edition
The Hertwigs (No. 270) have for instance shewn that nervous structures are developed in the hypoblast in the Actinozoa and other Cœlenterata.
Reading edition
The Hertwigs (No. 270) have for instance shewn that nervous structures are developed in the hypoblast in the Actinozoa and other Cœlenterata.