THE DANISH INGOLF-EXPEDITION. 



VOLUME II. 



5. 



LAMELLIBRANCHIATA 



(PART I.) 



BY 



AD. S. JENSEN. 



WITH 4 PLATES AND 5 FIGURES IN THE TEXT. 



■^"^::>^-<- 



COPENHAGEN. 



PRINTED BY BIANCO LUNO. 

 1912. 



l~-r- 



