158 



THE CANADIAN OYSTER 



Spat 11, 23 



capture of very young 6 



caring for 121 



dimensions of newly fixed 56 



discovery of a minute 55 



increasing set of 122 



rate of growth of 85 



references by other authors to 56 



search for very young 54 



'set' of 32 



shell described 58 



sizes of 52 



Spat-collectors 107 



Spatting — 



definition of 84 



determining exact time of 118 



duration and time of 89 



fluctuations in 85, 87 



importance of 88 



Spawn — 



dangers to 79 



extrusion of 87 



quantity of 79 



Spawning 10 



definition of 77 



duration and time of 88 



practical application of 80 



stimuli causing 2 



temperature of sea at time of 79 



time of, in Canada 1, 78 



time of, in Pacific 127 



Species of Atlantic oysters 8 



Sperms 10 



dangers to which exposed 14 



described 13 



Spermary 10 



Spermatogenesis 17, 132 



Spermatozoa 10, 75 



of Pacific oyster 132 



Spermatozoon, importance of 16 



Spindle, nuclear 16 



Sponge, boring 102 



Sprat, Thomas 3 



on spatting 84 



on spawning 78 



quoted re spat 56 



Stages of development 11, 23 



St. Andrews, N.B 4, 6, 7, 40, 54, 124 



as centre of clam fishery 35 



Star-fish 102 



Statistics of oyster production 98 



St. Jerome creek, Md 30, 38 



St. Lawrence, gulf of 9, 82, 95 



St. Lawrence river 8 



Stomach — 



of larva 49 



of spat 73 



Stool (cultch) 107 



Storms 102 



Straight-hinge stages 42 



Supra-cesophageal ganglia 50, 64 



Summerside, P.E.I 37, 54 



salinity at 91 



temperature of sea at 92 



Surfaces of attachment for spat 5 



Swarming — 



defined 80 



fluctuations in 81, 87 



practical application of 84 



temperature of sea during 80 



time of 88 



Swimming period 80 



duration of 84, 88 



Syrtensian fauna 97 



Tangier sound 78 



experiments of Winslow in 113 



Taranto, gulf of 107 



Taranto, Italy 108 



Tasmania 9 



Taylor, G.W 130 



Temperature, importance of 121 



Temperature of sea 23, 29 



at spawning time 79 



at various depths 93 



at various places 92 



conditions affecting 92 



during swarming period 80 



on the Pacific coast 128 



Temperatvtre of sea-water 1 



Teredo 28 



Testis 10, 14 



Thames, estuary of 110 



Thiele, J 70 



Tidal current in Malpeque bay 54 



Tidal rise 91 



Tiles— 



as spat-collectors 110 



use of, as cultch 109 



Time of spawning 2 



Tongs 103, 105 



ToUenia 35, 53 



