RATE OF GROWTH OF THE AMERICAN LOBSTER. 



239 



1 Age at entrance to the stage. 



2 Assumes that the lobster spawns for the first time in the summer of its sixth year, 

 and that the eggs hatch the following summer. 



3 1 1 inches. 4 22% inches. 



the growth of " giant " lobsters, it appears reasonable to believe 

 that the molting process does not occur oftener than once in 

 three years ; and this is a small estimate. The amount of in- 

 crease in these specimens at a single molt cannot be over four or 



