Plankton -Expedition L. c 



Taf. xvii. 



Fyl-KJt,. 20 :", 1, TUmmbler gez 

 Fic/Ij IT C.Biermrth Fu/lÜ-lf) l'eters rjez 



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Rh um blt'f, Foramwilr; v n 



