The Origin of the Primitive Duct
Title:
The Origin of the Primitive Duct
Author:
Date:
1931
Species:
Allolobophora
Bdellostoma
Common Name:
Earth worm
Hagfish
Type:
Bulletin, Report
Bulletin:
Report:
16
Citation
“The Origin of the Primitive Duct,” MDI Biological Laboratory, accessed January 28, 2026, https://digitalarchive.mdibl.org/items/show/1163.Item 10232


