ROCK OYSTERS AND A SEA CLAM 



1 2 White Rock Oyster, Chnma Lazarus. 3 Che-st Rock Oyster, Chama arcinella. 4 Lfaf>' K<jtk Oyster, Chama mkrophylla, 



5 Scaly Fur be I owed Ckim, 1 ridacjia squamosa. 



