34 THE OYSTER. 



PLATE II. 



An oyster in the right valve of the shell, dissected so 

 as to show the internal organs. The anterior end of 

 the body is at the top of the figure, and the dorsal sur- 

 face on the right hand. 



b the mantle, c the muscle, d the heart, g the gill, 

 h the lips, i the intestine, j the liver, m the mouth, s the 

 stomach. 



