150 INDEX. 



Variation: 



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 



