CRUSTACEA 223 



2. An omnia 



Upogebia affinis Say (Mud Lobster) 



Light brown in color and somewhat resembling 

 a lobster; integument thin and hairy; lives along 

 muddy shores where it digs burrows near low water 

 mark. Known from Massachusetts southward; not 

 common in New Jersey. 



Emerita talpoida Say (Sand Bug; Hippa) 



(Hip pa talpoida Say) 



PLATE XXV. Fig. 6 



Body egg shaped, white with two conspicuous 

 plume-like antennae which strain the water for 

 micro-organisms which it uses as food. 



Very abundant on all sandy beaches of the state. 

 It may be seen burrowing rapidly into the sand, 

 head first, as the waves break upon the beach. Often 

 hundreds of these little Sand Bugs may be seen in 

 tide pools. In late summer and early fall young 

 Hippas are very numerous. Known from Cape Cod 

 to Florida. 



Pagarus longicarpus Say (Small Hermit Crab) 



This crustacean differs from those we have just 

 seen in that its hind end or abdomen is not protected 

 with a hard covering. It, therefore, must find some 

 means of defending itself from any enemy that might 

 attack its soft and defenceless abdomen, so it steals 



