INDEX OF AUTHORS 



331 



Haeckel, on 



Crustacea compared with insects, 69 

 Plankton -S'tudien, 50, 135 

 xadiolaria, 77 

 . Heincke, on 



length and weight of plaice, 174 

 north and south fishes, 248 

 • plaice marking experiments, 175 

 Henking, on 



length and weight of plaice, 174 

 plaice marking experiments, 175 

 winter and summer fishes, 248 

 Hensen, on 



"Bestimmung des Planktons," 56 

 cod eggs in North Sea, 310 

 coefficients of vertical plankton nets, 



314 

 comparison of plankton fishing experi- 

 ments, 143 

 density of fish eggs in North Sea, 



167 

 depreciation of Baltic cod and plaice 



fisheries, 200 

 distribution of Luidia, 312 

 enumeration of plankton organisms, 



133 

 his neighbours' income, 179 

 Korbnetz, 128 

 life in sea and land, 195 

 Nordsee Expedition, 168 

 Jlytilus larvae in Baltic, 167 

 plankton of Kiel Bay, 205 

 productivity of Baltic in plankton, 



194 

 productivity of carp ponds, 184 

 productivity of sea, 188 

 use of vertical plankton nets, 121, 

 135 

 Herdman, on copepods as human food, 



191 

 Herlet, on eyes of Fecten, 250 

 Hickson, on commensalism in corals, 



227 

 Holt, on mature and immature plaice 



in North Sea, 172 

 Hoppe-Seyler, on nitrogen compounds 

 in river water, 282 



Irvine, on 



composition and distribution of deep- 

 sea deposits, 304 



metabolism of diatoms and silicic 

 acid, 220 



nitrogen compounds in the sea, 213, 

 217 



Jenkins, on fishery statistics, 182 

 Joly, on age of oceans, 315 

 Jost, on plant physiology, 265 



Keding, on nitrogen-fixing bacteria, 267 



Keeble, on commensalism in Convoluta, 



226 

 Keutner, on nitrogen-fixing bacteria, 



267 

 Knudsen, on 



salinity of North Sea, 43 

 winds and land temperatures, 53 

 Kofoid, on 



defects of Hensen nets, 135 

 plankton collection by pumps, 138 

 Kroyer, on fauna of Arctic seas, 202 

 Kriimmel, on 



carbonic acid in the sea, 216 

 oxygen in the sea, 219 

 Kutscher, on luminous bacteria in 



human intestine, 258 

 Kyle, on temperature and herring 

 fishery, 246 



Leach, Miss M., on chemical composi- 

 tion of bacteria, 225 

 Letts, on 



putrefaction of sewage, 280 



Ulva latissima, 284 

 Liebig, on law of the minimum, 234 

 Lohmann, on 



appendicularians, 140 



comparison of methods of plankton 

 collection, 141 



defects of Hensen nets, 135 



Kofoid, 136 



micro-plankton of Mediterranean, 165 



Oikopleura filters, 139 



plankton fishing by pumps, 138 



plankton methods, 137 



plankton of Mediterranean, 211 



stratification of plankton, 145 



Macallum, on 



age of earth, 315 



palaeochemistry of ocean, 299 

 Macintosh, on 



resources of the sea, 197 



succession of the plankton, 94 

 Mill, on salinity and temperature of 



Firth of Clyde, 143 

 Mobius, on North and South fishes, 248 

 Monaco, Prince of, on 



sounding lead, 5 



surface floats, 15 

 Moore, on development of plaice and 



sea-urchin, 245 

 Miiller, on use of tow-net, 55 

 Murray, on 



composition and distribution of deep- 

 sea deposits, 304 



metabolism of diatoms and silicic 

 acid, 220 



nitrogen compounds in the sea, 213 



silicic acid in the sea, 217 



sodium chloride in the ocean, 815 



