358 



Index 



Mussel : 



ribbed, as a food mollusk, 349 

 Mustard plant, descendants of, 



Mya arenaria (see Soft clam) 

 Mytilus edulis (see Mussel, 

 black) 



Narragansett Bay, natural 



oyster beds in, 178 

 as a producer of seed oysters, 



202 



rental of bottoms in, 200 

 scallops of, 339 

 Natural oyster beds, definition 



of, 194 



destruction of, in Europe, 71 

 disappearance of, in the 



North, 184 

 extension of, 241 

 Natural resources, destruction 



of, 3 



Navy, oyster, of Maryland, 217 

 inadequacy of, in Virginia, 



223 



Nervous system of bivalves, 26 

 New Haven, oyster market at, 



203 

 New York, oyster market at, 



203 



Nippers, 131 

 Nita crevasse, 263 

 Nomenclature used in biology, 



280 



North Carolina, decline of nat- 

 ural oyster beds of, 245 

 hard clams of, 323 

 oyster field of, 231 

 November gale of 1898, 258 



Ohio, decrease in farm values 



of, 3 



Oosperm, 44 



Ostrea virginica (see Oyster) 

 Ovum, structure and function 



of, 40 

 Oyster, absence of foot in adult 



of, 29 

 beds, natural, between tide 



lines, 234 



a brackish water form, 230 

 clusters, culling of, 102, 134, 

 140 



Oyster : 



clusters, formation of, 126, 

 261, 236 



as a disease carrier, 166 



drill, 157 



eastern, in San Francisco 

 Bay, 270, 271 



European, 69 



fattening of, 127 



gills of, 34 



growth and the formation of 

 islands, 232 



growth in muddy waters, 235 



heart of, 23 



mantle of, 19 



navy, 217 



number of eggs produced by, 

 24 



of the Pacific, 269 



planting, 100 



in politics, 216 



Portuguese, 69 



for seed, size of, 101 



segmentation of the egg of, 45 



shell of, 17 



size of, 188 



tongs, 129 



Oyster culture, adverse condi- 

 tions of, in Europe, 81 



in America, 82 



on barren bottoms, 101 



beginnings of, in Maryland 

 and Virginia, 223 



in deep water, 198 



definition of, 100, 118 



early attempts at, in North 

 Carolina, 248 



expense connected with, 129 



European methods of, not 

 possible in America, 92 



local variations of method in, 

 124 



origin of, in America, 179 



not practised in North Caro- 

 lina, 248 



far from shore, 198 



transplanting in, 125 



in Washington, 270 



in winter, 1^9 



Pacific coast line, 269 



native oysters of, 269 

 Packing industry, origin of, in 

 Maryland, 209 



