INDEX. 389 



Myxine glutinosa, 278 



NAIRN fishery district, 195 



National Association of fish culture, 227, 232, 241 



Naucrates ductor, 278 



Nematodes, 261 



in what fish plentiful, 261 

 Ness fishery district, 194 



Nets, regulations as to, 33, 78, 80, 82, 88, 98, 102, 160, 166, 179 

 Newhaven, 312 

 Newquay pilchard fishery, 137 

 Norfolk Broads, 6 1 



,, crab and lobster fishery, 370 

 North Sea, 277, 320 

 Northern " Opah," the, 113 

 Norway, experimental cultivation of fish in, 342 

 Norwegian herring fishery, 74 

 lobsters, 328, 329 

 ,, salmon, arrival of, 8 



Nutritive and restorative properties of the lobster, 327, 334 



OBAN, quantity of fish despatched from, 101 



Obstructions in rivers, 47, 48 



Oil sardine, 281 



" Old Man " crab. See "Masked " crab. 



Omnivorous fish, 269, 278, 288 



Ontario Lake, 64, 65 



Oospores, germination, 1 6 



shape, 16 



Opossum shrimp (Mysis), 332, 333 

 "Orange fins," 151, 185 

 Orthagoriscus mola, 262 

 Osseous fish, 273 

 Ova, deposit of, &c., 150, 151, 156 



,, destruction of, by swans, &c., 227 



,, from infected rivers, prevention of distribution, 22 



of no consequence, 23 



Overcrowding in salmon rivers, 6, 7 



,, of parasites causes death of fish, 249 



Overfishing, 166, 329 



,, of inshore districts, 329, 330 



Owen, Professor, 272 

 Oxygen, 299 



Oxygenation, want of, perhaps favours salmon disease, 18 

 Oyster, bastard, 319 



,, culture, 54 



,, fertility of, affected by parasites, 30 



