-^^^^ THE DANISH INGOLF-EXPEDITION, 



I" 



VOLUME V. 



2. 



CTENOPHORA 



BY 



TH. MORTENSEN. 



WITH lo PLATES AND 15 FIGURES IN THE TEXT. 



^-^:2:-^-^- 



COPENHAGEN. 



PRINTED BY BIANCO LUNO. 

 1912. 



