148 INDEX. 



Mantle: PAGE 



Anatomy, . . . . . . . . 15 



Development, . . . . . . . . 41,42 



Veliger, . 35 



Marion, . . - ... 83, 85, 102, 104 



Market, . ... Ill, 112 



Mashpee, . . . . . . . . . . . 101 



Mattapoisett, . r . 101, 104 



Measuring instrument, . . . . . . . . . 131 



Methods: 



Fishing 107-110 



Improving industry, . . . . . . . . . 121-125 



Investigation, . . . . . . . 11, 125-133 



Micromeres, . . . . . . . . . 29 



Migration, . . . . . . . . . ; 61-64 



Monomoy, . 20, 21, 23, 83, 85, 86, 89 



Muscle, adductor 16, 34, 46 



Names, . . . . . . . . . . . 12 



Nantucket, . . . ' 85, 102, 104 



Nassa obsoleta, . ' . . . . 70,71 



Natural supply, .......... 121-124 



Nervous system, .......... 17 



Net, plankton, 128 



New Bedford, . . . 101, 104 



Non-edible parts, . . . . . ... . . . 116 



North Falmouth, . .... ... . . . 83, 85 



Object of report, . . . . ... . . . 9 



Openers, . . . Ill 



Opening, method of, . . .... . . . . 111,112 



Orleans, . . . . . . . . . . . 98 



Otocyst, . .- . . 45 



Outfit of scalloper, 110 



Ovary, . , . . . . . . . . . . 18 



Overcrowding and growth, . . . v 96 



Oyster drill, . . . , . . . . . . . . 69, 70 



Palps, . . . . . . ... . .. 16, 17, 46 



Pelseneer, Dr. Paul, 20, 26, 30 



Penalties for scallop laws, . .. . . , . . 119 



Pens 94,96,97,132 



Permits for fishing, . . ' . . . . . . . .119,120 



Plicated stage, 39, 40 



Polar cells 28 



Powder Hole 11, 79 



Power, scalloping by, 110, 111 



Presentation of report 9, 10 



Price, market, ........... 112 



Prodissoconch, .......... 32 



Propagation, 122, 130 



Provincetown, .......... 99 



Pusher, 108 



Raft, biological, ... 11, 133 



Range 12, 13 



Readers, 8 



Recovery from injury, . . . . . . . . 64, 65 



Reproductive organs, 18, 19 



Resting, ... .... ... 60, 61 



