INDEX 



PAGE 



Acmsea, . . ' ; 14,71 



Adductor muscle, . . ....... 16, 46 



Age, . 77-81,87 



Anatomical development, ......... 41-47 



Anatomy of adult, . 13-19 



Anatomy of dissoconch stage, 38, 39 



Anatomy of veliger, ......... 32-35 



Anomia, . . . ... . . . . . . 14, 71 



Assistants, ........... 11 



Attachment, 50-54 



Observations on, . . . . . . . . . 53 



Period of 52, 53 



Value of 53, 54 



Bait regulation, .......... 119 



Barnstable, 98, 100, 101, 104 



Bibliography . . . 138, 139 



Blastula . 29 



Bourne * . . 102, 104 



Brewster, 98 



Buzzard's Bay, . .... 85, 101, 102 



Byssal groove, .......... 38 



Byssus, 18, 51, 52 



Cage growth 89, 90, 96 



Cages, wire, . 132, 133 



Cape Cod : 



Spawning season,. ......... 25 



Growth, 85 



Catch, daily limit to, ...... ... 118 



Champi parvia, .......... 14 



Chatham, . .' . . . . . 73,83,85,99,100,104 



Chatham dredge, .......... . 109 



Ciliated larva, 29, 30 



Circulatory system 17 



Cleavage, . . . 28, 29 



Climbing 56,57 



Color: 



Chart, 129 



Preference, 67 



Variation, 48 



Courtesies, 10, 11 



Crawling, '..... 54-56 



Crepidula, t, 14, 71 



Culture: 



Artificial, . . ._. . . . . . ... 122, 123 



Communal, ... . 123, 124 



