THE OPEN SEA 97 



exhausted, for it attaches itself by its head to 

 a floating log, and the front of the head grows 



FIG. 9. A CLUSTER OF BARNACLES (LEPAS ANATIFERA). 



Hanging from a Floating Log. Note the Curled Feet projecting 



from the 5-valved Shell. 



into a long elastic stalk, which bears the main 

 part of the body on its free end. From 



