THE CRAYFISH AND ITS ALLIES 101 



ernment has transplanted the Atlantic lobster to several 

 localities on the Pacific coast, but it is not yet known 

 whether it will thrive there. The American lobster ranges 

 from Labrador to Delaware Bay, and from near shore to a 



FIG. 95. Palinurus, the spiny lobster. One-fourth nat. size. From Rathbun ; 

 drawn by H. L. Todd. 



depth of 100 fathoms. It attains its greatest size on the 

 rocky shores in the cooler waters from Maine to Labrador. 

 It migrates but little along the coast ; in the fall, however, 

 it moves out into deep water, and in the spring back again 



