444 



INDEX 



Decapoda preservation, 380 



Deeps, 206 



Deep-sea animals, 261-265 



conditions, 228, 229 



dredging and trawling, 271- 

 277 



fish, 321, 324 



sounding, 277-279 

 Delesseria, 126, 152 

 Delphinapterus, 389, 399 

 Delphinidae, 399-402 

 Delphinus, 401 

 Demersal fish eggs, 316, 317, 318, 



322 

 Deposition, rate of, 209, 229 

 Deposits, animals in, 286, 287 



chart symbols, 421 



classification, 213 



collection, 203-205 



description, 208-226 



errors of examination, 214 



form for description, 215 



on continental border, 227, 

 228 



radium in, 230 



samples of, 287 



thickness, 209 

 Depth, animal plankton, 192 



ocean, 205-208 



plants, 129 

 Desis, 79 

 Desmarestia, 126 

 Deviation of winds, 5 

 Diatoms, 116-119 



in deposits, 212 



ooze, 213, 214, 217, 219, 

 220, 222, 229 

 Dictyoneuron, 142 

 Dictyota, 143, 145 

 Dictyotaceae, 138, 142, 143 

 Doldrums, 6 

 Dines' anemometer, 17 

 Diphyes, 172 



Disconectae, preservation, 373 

 Distira, 410 



Distribution of bottom animals, 

 252-264 



of floating animals, 191- 

 196 



of plants, 132, 133 

 Diurnal variation, 22, 32 

 Doliolum, life-history, 186, 187, 



Doliolum, Phromina in, 180 



preservation, 381 

 Dorididae, 248 

 Dredges, 289-292, 296 



for plants, 153 



shooting and towing, 292- 



295 

 Dredging, Chapter IX., 289- 



295 



deep-sea, 271-277 



shallow, 280-281 



sorting catch, 285, 286 

 Drift currents, 57 



net, 336, 337, 339 

 Durvillea, 143, 149 



Eared seals, 407-409 

 Ebalia, 245 



Echinodermata, bottom, 237, 

 240 



deep-sea, 263 



larvae, 186 



plankton, 184 

 Echinoidea. See Sea-urchins 

 Echiuroidea, 240 

 Ecklonia, 126, 132, 140, 142 

 Ectocarpus, 138. 

 Egregia, 142, 144 

 Eisenia, 142 



Ekman's correction tatile for 

 thermometers, 43 



current meter, 53-56, 55, 

 102 

 Eledone, 259 

 Elevation of land, 67-69 

 Enteromorpha, 131, 135 

 Enteropneusta. See Balano- 



glossus 

 Entomostraca, 244 

 Eolididae, 248 

 Eolis, 258 

 Ephyra, 169, 171 

 Epimeria, 254 

 Erignathus, 404 

 Eryonidae, 264 

 Eucheuma, 161 

 Eucyrtidium, 166 

 Eumetopias, 408 

 Euphausiacea, 245, 395 

 Euphysa, 170 

 Euphysetta, 167 

 Euthemisto, 177 

 Evadne, 177, 178 



