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, 1 1 



Crawling, ..... . ... 54-56 



Crepidula, . . 14, 71 



Culture :- 



Artificial . 122, 123 



Communal, . 123, 124 



