Class VI. WORMS. 49 



examples of the excelling powers of the all- 

 mighty Artificer. Nor are they without their 

 uses; several species afford a delicious and 

 nourishing nutriment. The healing art calls 

 in the snail in consumptive cases; and the 

 shells calcined are of known efficacy in stub- 

 born acidities. Shells are the great manure 

 of lands in many parts of these kingdoms. 

 The pearls of Great Britain have been cele- 

 brated from the time of Casar. 



vol. IV. 



