Observations on Hydractinia echinata (Flem.) and Eupagurus bernhardus (L.) ...
By: door Kaatje Schijfsma
Publisher: J. Enschedé en zonen
Published: 1933
Place of publication: Haarlem
Language: eng; dut
Number of pages: 60
Subjects: Hydractinia echinata; Eupagurus bernhardus; Symbiosis
Notes: "Sammenvatting" in Dutch.

Thesis (doctoral)--Leyden.

"Literature": p. 52-54.