THE CRUSTACEANS 



95 



wholly different. It is oval in outline and about two and one-half 

 inches long. TJie back is arched and covered with a smooth, hard, 



Ft,^s. 6f; SANDIiUO. Soutliern Shore of Long Ishuid. 



yellowish-white shell. The abdomen is broad, and is folded for- 

 ward along the under side of the body. The principal feelers are 

 curiously feathered, and are often carried curled back against the 

 sides of the body. The eyes are minute ])lack specks at the ends 

 of a pair of long, slender stalks. 



This creature lives in shallow Avater along sandy beaches. It 

 is very active, and swims and burrows with great rapidity. It is 



Pig. 6s,- MANTIS SHRIMF. From a specimen in the Xew York Aciiiarium. 



quite common along the hot, sandy shores of New Jersey and Long 

 Island, and makes a good bait for fishes. 



The Mantis Shrimp, (Squilla empiisa, Fig. 05 J. This is often 

 called the Mantis shrimp on account of the more or less general 

 resemblance between its claws and those of the Praying Mantis. 



