THE DANISH INGOLF-EXPEDITION. 



SECOND VOLUME. 



3. 



NUDIBRANCHIATE GASTEROPODA. 



BY 



R. BERGH. 



WITH 5 PLATES. , \ 



^ e 





-^SK-Hf* 



COPENHAGEN. 



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



1900. 



