More Friends in Armor 



241 



suit its taste. Whenever It leaves Its burrow — and it 

 seldom wanders from it more than a few feet — it can 

 be seen picking about in the sand and silt, carrying the 

 all but invisible motes of matter to Its mouth. Some of 

 this matter is sand; mixed with it are the food particles 

 that It seeks. For this burrowing animal, In learning 



FIDDLER CRABS. THE MALE, WHO IS READILY DISTINGUISHED BY HIS LARGE CLAW, 

 IS TOWARD THE LEFT OF THE PICTURE SITTING IN THE OVENLIKE ENTRANCE 

 TO HIS BURROW. THE OTHER INDIVIDUAL IS THE FEMALE. PELLETS OF 

 EXCAVATED SAND CAN BE SEEN IN THE FOREGROUND. 



to live on land has learned the same lessons as the 

 earthworm: In the absence of more available products, 

 it eats the soil to live. 



The burrow of our fiddler Qrab can readily be dis- 

 tinguished from those of other species by the archway,- 

 or ovenlike mound, over the mouth. Many of these 

 ovens will be found within the space of a single yard. 



