of the Fishery Board for Scotland. 



225 



Norway and Sweden as a market for 

 Scottish-cured herrings, (7) 166. 



Norway, artificial fertilisation of ova in, 

 (7) 403. 



Association for the Promotion of 



Norwegian Fisheries, (9) .304. 



bullhead. See Bullhead, Norway. 



fish-culture in, (5) 234 ; (13) 339. 



— fisheries of, (6) 304 ; (7) 402 ; (9) 



fish-hatching in, (7) 403 ; (17) 208. 



409 ; (10) 346 ; (11) 496 ; (12) 398 ; (13) 

 341. 



haddock. See Haddock, Norway. 



hatching of cod in, (6) 305 ; (8) 374; 



(9) 409. 



hatching of flat fish in, (7) 405. 



hatching of lobsters in, (7) 405. 



lobster. See Nephrops norvegicus. 



pout. See Pout, Norway. 



rearing of cod in, (7) 404. 



scientific fishery work in, (6) 304. 



Norwegian topknot. See Topknot, Nor- 

 wegian. 



Notes and memoranda, (8) 351. 

 Noihria tubicola, (15) 159. 

 Notodelphys agilis, (6) 238 ; (7) 326 ; (15) 

 148. 



allmanni, (6) 238 ; (15) 148. 



prasina, (15) 148 ; (18) 386. 



Notodromas monacha, (9) 276, 282. 

 Notodelphys cceridea, (7) 326. 

 Notopterophorus papilio, (15) 148. 

 Notosema, (18) 356. 

 Nucula nitida, (15) 125. 



■ nucleus. (15) 125. 



sulcata, (15) 125. 



■ tenuis, (15) 125 ; (20) 503. 



Nudibranchiata, (8) 331 ; (15) 116. 

 Numerical variations of fish at different 



seasons, (6) 36. 

 Nummulinida3, (7) 311 ; (8) 317 ; (15) 167. 

 Nurse hound. See Dog-fish, larger 



spotted. 



Nutritive value of fresh fish, (5) 221. 

 value of pale and dark muscles of 



fish, (5) 225. 

 Nyctiphanes, (6) 226, 227, 229, 262 ; (10) 



267 ; (20) 494. 

 norvegica, (4) 157 ; (6) 254, 255 ; (7) 



324 ; (8) 330 ; (15) 132 ; (17) 113, 268 ; 



(20) 510. 



as herring-food, (4) 123. 



O 



Observations made at trawling stations 

 (14) 133. 



on the life-histories and develop- 

 ment of the food and other fishes, (9) 

 14, 317. 



Octobothrium aloscv, (19) 145. 



esmarkii, (19) 147. 



harengi, (19) 145. 



lanceolatum, (19) 145. 



merlangi, (13) 172; (19) 146. 



palmatum, (19) 149. 



scoto&W, (19) 146. 



Octocotyle harengi, (19) 145. 



• scombri, (19) 146. 



Octocotyle truncata, (19) 146. 

 Octodactylus inha rens, (19) 149. 

 Octopus vulgaris, (15) 114 ; (20) 534. 

 Octostoma merlangi, (19) 146. 



scombri, (19) 146. 



Odostomia acuta, (15) 121. 



conspicua, (15) 121. 



pallida, (15) 121. 



umbilicariSj (15) 121. 



unidentata, (15) 121. 



(Ediceros norvegicus, (7) 320. 



parvimanus, (10) 263. 



Offshore fishing grounds, investigations 



of, (9) 21, 388. 



waters, spawning of fish in, (7) 183. 



work, importance of, (14) 8. 



Oidium morrhuce, (6) 205. 



Oikopdeura cophocerca, (6) 279 ; (15) 114. 



flabellum, (15) 114. 



Oil-globules, formation of, in eggs of 



fishes, (16) 97. 

 Oithona setiger, (9) 301 ; (20) 454. 

 similis, (15) 148, 305, 306, 307, 308, 



309, 310, 311, 315; (16) 177, 190, 



210. 



spinifrons, (4) 150 ; (6) 238 ; (20) 



504. 



spinirostris, (6) 238 ; (9) 301. 



Old-wife. See Cantharus lineatus. 



Olsen, Mr O. T., (8) 359 ; (9) 177, 389. 



Ommastrephes, sp. , (3) 67. 



todarus, (6) 264. 



Onchocotyle appendiculata, (19) 149. 



Oncidium celticum, (15) 117. 



Oncopterina?, (18) 360. 



One-spotted topknot. See Topknot, one- 

 spotted. 



Oniscus arenarius, (10) 364. 



Onoba striata, (15) 120. 



Onos. See Rockling. 



Opah. See King-fish. 



Operculina ammonoides, (8) 317 ; (15) 

 167. 



incerta, (7) 314. 



Opercular bones of fishes, lines of growth 



in, (23) 129. 

 Ophiactis ballii, (15) 163 ; (20) 312, 319. 

 Ojihiocamptus brevipes, (13) 249. 



sarsi, (13) 188, 244, 249. 



Opihiocoma minuta, (15) 163. 



nigra, (15) 162 ; (20) 312, 319, 324. 



punctata, (20) 314. 



Ophioglypha albida, (6) 230. 

 Ophiopholis acideata, (6) 230, (15) 162 ; 



(20) 312, 319, 324. 

 Ophiothrix fragilis, (15) 162; (20) 313, 



319, 324. 



pentaphyllum, (6) 230. 



Ophiura affinis, (15) 161. 



albida, (15) 161 ; (20) 314, 319, 324, 



327. 



— — ciliaris, (15) 161 ; (20)313, 314, 319, 

 324. 



robusta, (20) 314, 319, 324. 



Oralien asellinus, (18) 163. 



Orbicidina universa, (20) 510. 



Orbis foliacea, (7) 311. 



Orbidina universa, (7) 315 ; (15) 167. 



Orchestia gammarellus, (6) 246. 



littorea, (6) 246 ; (15) 137 ; (17) 264. 



