INDEX 



447 



Macrura (Crustacea) 



of bottom, 245 



of plankton, 180 

 Macruridae (fish), 321 

 Madrepora, 90 



Madreporaria, 237. See Coral 

 Manganese nodules, 211, 214, 



218 



Marine stations, 423-429 

 Martensia, 152 

 Mauritius, 84 

 Maury, Admiral, 3 

 Mean sphere level, 227 n. 

 Medicine, 107 



Mediterranean, a closed sea, 63 

 Medusae, 168-172 

 Megalopa larva, 181, 182 

 Megaptera, 384, 394'396 

 Melobesia, 151 

 Menthol, 361 



Mercury bichloride, 356-358 

 Meridians, foreign, 421 

 Mesoplodon, 399 

 Metazoa, 163 



Meteorological Office, British, 3 

 German and American, 4 



instruments, 12-17, 19, 21 

 Meteorology, Chapter I. See 



also Atmosphere, Wind, etc. 

 Methylated spirit. See Alcohol 

 Metres into fathoms, 419 

 .Metric conversions, 419, 240 

 Microscope, 285 

 "Midwater currents, 63 



study, 192 



trawl, 341, 342 

 Miles, nautic and geographic, 



421 



Miliolina, 80 

 Millepora, 91, 100, 93 

 Mitraria, 176 

 Mollusca, bottom, 247-249 



plankton, 182, 183 



preservation, 381 



shore collection, 74 et seq 

 Monachus, 405 

 Monodon, 389, 400 

 Monostroma, 126, 135 

 Monsoon, 8 



Monthly Pilot Charts, 4 

 Mud line, 227 

 Muds, 213, 224-226 

 Mysidacea, 245 



Mystacceti (whalebone whales), 



386-396 

 Myxophyceae. See Cyanophy- 



Nansen-Pettersson water-bottle, 



37-42, 38 



Nansen's sounder, 204 

 Narwhal. See Monodon 

 Nauplius, 1 80, 181, 182 

 Nautical mile, 421 

 Nautilus, 183 



paper. See Argonauta 



pearly, 183, 248 

 Nemalion, 150 

 Nematoda, preservation, 378, 



. T 379 

 Nemertina, 240 



Neobalaena, 391 



Neomeris, 135 



Nephrops, 260 



Nereidae, 175 



Nereocystis, 142, 145 



Nerine,"l76 



Neritic plankton, 191 



Nero Deep, 206 



Nets. See Tow net, Trawl, 



Dredge 



fishing, dip, 334, 335 

 drift, 336, 337, 339 

 gill, 335 

 hand, 333, 334 

 seine, 339-341 

 trammel, 336-338 

 young fish, 341, 342, 



343 



Nipper, 275, 276 

 Noctiluca, 164, 167 

 Nodosaria, 80 

 Notheia, 143 

 Notochord, 184 

 Nudibranchia, bottom, 248 



preservation, 381 

 Nyctiphanes, 179, 227 



Obelia, 171 



Oceanic circulation, 57-64 



fishes, 320-324 



plankton, 191 

 Oceans, depth of, 205-208 



permanence of, 229 

 Octopus. See Cuttle-fish 

 Odometer, 276, 281 



