HALF AN HOUR WITH CRUSTACEA. 



257 



The " Sand-hoppers " are deservedly so called ; 

 and every sea-side visitor who has thrown himself 

 on the yielding sands for a few minutes must have 

 been surprised at the numbers of jumping creatures 

 which he disturbed. The commonest of these is 



Fig. 144. 



Group of nests of Podocerus capittatus, after Bate and Westwood. 



called Talitrus locusta (Fig. 145), and its locust-like 

 form will readily help to identify it. The " Shore- 

 hoppers" are nearly allied to the above, but they 

 may be told by their huge and highly-developed 

 foreclaw, one only, as well as by their larger size 

 (Fig. 146). It is very seldom these creatures enter 

 the water ; they seem much to prefer sporting on the 



