INDEX 



156 



Monoecious oysters 131 



Moore, on hermaphrodite character 



of Pacific oyster 134 



Morula 19 



Mouth — 



of larva 49 



of spat 71 



origin of 28 



Mud-diggers 103 



Muscles — 



adductor 29, 67, 71 



of larva 49 



retractor 29, 49, 71 



Muscle-fibres, intrinsic 49 



Mussel 4, 5 



Mussel mud 103 



Mussel larvse 44 



measurements of 36 



observations on 32 



series of 35 



Musquodoboit, N.S 96 



Mya (clam) 5, 6, 35, 53, 60, 74 



arenaria, L 128 



Mytilus 5, 35, 53, 74 



edulis, L 4 



N 



Nanaimo, B.C 7 



Nanoose bay — 

 abundance of Pacific oysters in. . . . 130 



beginnings of oyster culture in 129 



investigation of breeding oysters in 132 



Malpeque oysters in 126 



taking of plankton in 127 



Nassa muiabilis 22 



Nelson, Julius 3, 24, 37, 38, 85 



filtration experiments by 41, 80 



on interval preceding fixation 31 



on quantity of spawn 79 



on spatting 84 



on time of spawning 78 



quoted from, on oyster culture. 115, 116 

 study of nuclei 20 



Nephridia (kidney tubes) 74 



Nerve ganglia 50, 64, 74 



Nervous system— 



of larva 50 



of spat 74 



Neural plate 50 



New Brunswick — 



fluctuations of oyster catch in 99 



New Brunswick — cont'd 



occurrence of oysters in 9 



oyster and quahaug areas in 6 



oyster-producing bays in 94 



oyster production in 98 



New Hampshire 96 



New Jersey, planting of oysters in. . . Ill 

 New York, production of oysters near, 



8, 111 



New Zealand 9 



Newcombe, C. F 130 



Newfoundland 95 



North sea 3, 9 



Northumberland strait 82, 96 



Nova Scotia — 



distribution of oysters in 96 



fluctuations in oyster catch in 99 



occurrence of oysters in 9 



oyster-producing bays in 94 



oyster production in 98 



Nuclear spindle 16 



Nucleolus 13 



Nucleus 13 



importance of 16 



O 



Object lessons 123 



Observations, sirmmary of 135 



(Esophagus 26, 29 



of larva 49 



of spat 73 



Ontogenetic development 60 



Ontogeny, defined 11 



of the oyster 31 



OSgenesis 17, 132 



Oosperm 11, 17 



Ostend, claires at 110 



Ostrea 5, 8, 28, 35, 53, 60 



borealis, Lamarck 8 



'^ canadensis, Lamarck 8 



edulis, L 3, 131 



iridescens, 130 



lurida, Carpenter 7, 9, 130 



palumea 130 



virginica, Gmelin 3, 8 



virginiana, Lister 8, 97 



Ostreidae 8 



Otoconia 50 



Otocysts 46, 50, 64, 74 



Ova, extrusion of 10 



Ovary 10, 14 



