Marine Plankton from the East-Greenland Sea. 



317 



fixed to the awn, such a thing I have not seen, and perhaps it does 

 not belong to Apodinium. 



The wall of the awn is perforated. In fig. G the perforation is 

 distinctly seen. Through this hole the contents of the Chaetocerns- 



Fig. 17. ApodiniumV:>) Chaetoceratis. (See the text) A, C, D ;i7:) t. ni. B 123 t. m. 

 E, F, G 7.-)Ü t. m. H, I .JOO t. m. (Fig. B, C, H, I were drawn by Dr. Ostenfeld.) 



cell must he sucked out, — and all the C/me/oceras-cells seen bearing 

 an Apodinium were empty, see fig. A, B, C. 



The contents of the Apodinium-cell consists of a granular plasma 

 and a rather big nucleus which often is seen to have been divided 

 (fig. C, E). The divisions must follow speedilv after each other, as 



XLIII. 



24 



