THE DANISH INGOLF-EXPEDITION. 



VOLUME VI. 



3. 



PORIFERA. 



(PART III.) 



DESMACIDONID^ (PARS.). 



BY 



WILL. LUNDBECK. 



WITH ii PLATES. 



->^:r«f<- 



COPENHAGEN. 



PRINTED BY BIANCO LUNO. 

 191O. 



