LAMP-SHELLS AND THEIR ALLIES 31 



mens have been reported recently, and if we could 

 go down into the depths we might find them quite 

 common in favored spots. 



From a very large shell we turn to a very small 

 one, only one-eighth of an inch in length. It is 

 white, oval, and shaped like a minute Pinna. It is 

 named Philobrya setosa^ Cpr., the Moss-lover. It 

 occurs from Santa Barbara southward. 



