t \ 





,Z 





THE DANISH INGOLF-EXPEDITION. 





a^f\ 



VOLUME V. 



2. 







CTENOPHORA. 



BY 



TH. MORTENSEN. 



WITH lo PLATES AND 15 FIGURES IN THE TEXT. 



■^^^•••-^I-*- 



COPENHAGEN. 



PRINTED BY BIANCO LUNO. 

 1912. 



