

THE DANISH 



I NGOLF- EXPEDITION 



VOL. IV, PART 2. 



CONTENTS: 

 TH. MORTENSEN: ECHINOIDEA. (II.) 



PUBLISHED AT THE COST OF THE GOVERNMENT 



BY 

 THE DIRECTION OF THE ZOOLOGICAL MUSEUM OF THE UNIVERSITY. 



I UNIVERSITY \ 



COPENHAGEN. 

 H. HAGERUP. 



PRINTED BY BIANCO I, UNO. 



