150 INDEX. 



Variation: * A E 



Color, . . ' . . 48, 49 



Growth, . . . . 95 



Length of life, . 80 



Veliger, ... ..... . 31-35 



Velum . . . 33 



Vinal, William G., 8, 11 



Vineyard Haven, . . . . . . . ' . . . 103, 104 



Visceral mass, . . 46 



Vision, . . 67 



Wareham, . . . 102, 104 



Wellfleet, . . . 99 



Yarmouth, . 73, 100, 104 



Yolk lobe, . 28 



