CATECHISM 



OP 



CONCHOLOGY. 



CHAP. I. 

 OF CONCHOLOGY. 



Q. WHAT is Conchology? 



A. Conchology or Testaceology is the science 

 which treats of the structure, properties, and 

 methodical arrangement of shells, the external 

 testaceous coverings of molluscous animals. 



Q. What kind of animals are they? 



A. Creatures of a soft fleshy substance with- 

 out bones, each of which are generally furnished 

 with a muscle by means of which it adheres to 

 the shell. 



Q. What does the third order in the sixth class 

 of the Linnaean system of nature comprehend? 

 A 3 



