136 UTILIZATION OF MINUTE LIFE. 



Conus Oliva Ovula Strombus gig-as Cassis 

 ^urbinella Jvturex Ijuccinum Curious experi- 

 ments with Snails Slugs Limax maximius L. 

 ag-restis. 



BIVALYE-MOLLUSCA. 



J^Lytilus edulis, or common Jtfussel Its culture, eto. 

 Hurtful at certain seasons -J&. choros -JVL. Jdagel- 

 lanicus -J&. arcaJtf. lithophag-us Ostrea edulis, 

 or common Oyster (Details concerning- its artificial 

 breeding- and propag-ation, etc. -Acclimatisation of 

 Jtfollusca Fishing- on the (Plessix bed Spondylus 

 Qardium edule, or Cockle Solen (Pecten maximus 

 '-Cellina 'dCridacna g-ig-as Chama Cameos 

 Stone Cameos and Shell Qameos Chinese Cameos 

 (Pearl-oysters -jlvicula marg-aritifera Ji. frimbriata 

 j5. sterna (Pearl Fishery Its extent QPearls of 

 JVLytillus edulis Jlnodontes Unio pictorum Unio 

 marg-aritiferus C^blture of the Fresh-water (Pearl- 

 JVLussel -Artificial modes of causing- it to produce 

 pearls (Pinna (-Their silky byssus and its uses 

 ^heir pearls Other itsec of shells Tunicata and 

 Fjryozoa. 



