Life Beneath the Waves. 87 



guished for being able to shoot backwards 

 through the water by a peculiar movement 

 of its tail. 



The Squat is extremely shy and nervous ; 

 its long horns and arms are ever on the 

 alert to discover danger, and when alarmed, 

 it throws its arms and legs forwards, and, 

 flapping its tail underneath its body, darts 

 backwards into a hole with wonderful 

 rapidity and precision. The colour -of 

 some specimens is dark olive, with light 

 brown or yellow streaks: its claws are 

 rough, and adorned with sundry sharp 

 spikes. Other members of this class are 

 scarlet, and others blue. 



The colouring of shrimps is not so varied 

 as that of prawns ; their heads are flatter, 

 and devoid of the projecting sword : they 

 are also called Sand-raisers, by reason of 

 their propensity for burying themselves in 



