Subject ASC0000dua
The Intellectual observer.
v.10 (1867), Page 248 (1867)
Harvard University, MCZ, Ernst Mayr Library
BHL Page 39470270
Keywords
whelk buccinum undatum british Dreissena polymorpha foot byssus respiratory siphons caspian cockle cockle shell Dreissenas polymorpha common buccinum undatum shellfish univalve mollusk growth construction bivalve mussels shells mollusc snail snails zoology Shells shell color saltwater salt water marine gastropod fresh water freshwater lagoon cockle