INDEX 



447 



Macrura (Crustacea) 



of bottom, 245 



of plankton, 180 

 Macruridse (fish), 321 

 Madrepora, 90 



Madreporaria, 237. bee 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, 03 

 Medusae, 168-172 

 Megalopa larva, 181, 102 

 Megaptera, 3 8 4> 394"396 

 Melobesia, 151 

 Menthol, 361 



Mercury bichloride, 356-35 y 

 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, 2 4° 

 Microscope, 285 

 Midwater currents, 63 

 study, 19 2 

 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, 4 00 

 Monostroma, 126, 135 

 Monsoon, 8 



Monthly Pilot Charts, 4 

 Mud line, 227 

 Muds, 213, 224-226 

 Mysidacea, 245 



Mystacceti (whalebone whales), 



386-396 

 Myxophyceas. See Cyanophy- 



ceae 



Nansen-Pettersson water-bottle, 



37-42, 38 

 Nansens sounder, 204 

 Narwhal. See Monodon 

 Nauplius, 180, 181, 182 

 Nautical mile, 421 

 Nautilus, 183 



paper. See Argonauta 



pearly, 183, 248 

 Nemalion, 150 

 Nematoda, preservation, 378, 



379 

 Nemertina, 240 

 Neobalaena, 391 

 I 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, 339-34 1 

 trammel, 336-338 

 young fish, 341, 342, 

 343 

 I 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 



