LEPAS-&ARNA OLE. 2011 



of a reddish orange colour ; the valves are blueish 

 white ; the length is about an inch and a half, 

 the breadth of the largest part is an inch ; the 

 peduncle is sometimes a foot long. 



This species is found in all parts of the world, 

 adhering in great quantities to the bottom of ships. 

 It attaches itself particularly to wood : sometimes 

 pieces of timber are thrown on shore completely 

 covered with it. A most strange idea formerly 

 prevailed, that the Barnacle goose was produced 

 from these shells. 



QUESTIONS ON THE MULTIVALVE 

 SHELLS. 



1 . How is the generic character of Multivalve 

 shells determined ? 



2. What is the generic character of the Pholas ? 



3. Why is the Pholas now generally considered 

 as a Bivalve shell ? 



4. What are the habits of the Pholades ? 



5. How is the Pholas supposed to perforate 

 the different substances it inhabits ? 



6. What is the generic character of the Chiton I 



7. Describe the habits of the Chiton. 



