THE DANISH INGOLF-EXPEDITION. 



SECOND VOLUME. 



3. 



NUDIBRANCHIATE GASTEROPODA. 



BY 



R. BERGH. 



WITH 5 PLATES. 



->4K5Xf<- 





COPENHAGEN. 



BIANCO LUNO (F. DREYER), PRINTER TO THE COURT. 



1900. 



