58 



KR. BONNEVIE. 



[REP. OF THE "MICHAEL SARS" NORTH 



Fig. 46. Radula of Pneumoderma sp. 



Fig. 47 A. Radula (r) and one hook-sac (h) 

 oi Pneumoderma sp. 



B 



Fig. 47 B. Hooks of Pneumoderma sp. 



B 



Fig. 48. Pneumoderma sp. A. Posterior end of the bodv with 

 the lateral gill. B. Foot. 



Clionopsidae. 



Radula: Median tooth with 3 denticles. 



Jaw: ?. 



Ho ok- sacs shallow. 



Proboscis very long, threadlike. 



No acetabuliferous appendages. 

 No lateral gill. 



The above family characters are based upon a know- 

 ledge of very few species. 



Not represented in the "Michael Sars" collections. 



