INDEX 



Numerals in thick type refer to the page where a figure is given. 



Abyss = the greater depths of the 



ocean 

 Abyssal animals, 261-265 



conditions, 228, 229 

 Acanthephyridae, 264 

 Acanthometra, 164, 166, 368 

 Accumulator, 275 

 Acetabularia, 135, 140 

 Achy la, too 



Acorn-shells. See Cirrhipedia 

 Actiniaria. See Anemones 

 Agar-agar, 161 

 Agarum, 142 



Agassiz trawl. See Trawl 

 Aglaozonia, 139 

 Air, Chapter I., 1-25 



circulation and tempera- 

 ture, 4-12 



cloud and fog, 18 



instruments, 12-17 



rainfall, 19, 20 



special problems, 22-25 



upper, 20-22 



wind observations, 17 

 Alaria, 142 

 Alcohol as anaesthetic, 361 



general use, 352-355 



purchase abroad, no 

 Alcyonaria (false corals), 79, 94, 



237 

 Alcyonium, 260, 375 

 Aldrich Deep, 206 

 Ambergris, 398 

 Ammonites, 248 

 Amphinome, 251 

 Amphioxus, 76, 188 

 Amphipoda bottom, 244 



plankton, 178 



preservation, 379 



i Amphirhoa, 151 

 \ Anaesthetics, 111, 360, 361 

 Anchor, work at, 71, 198 

 Anemometer, 17 

 I Anemones of corals, 89-94 

 of plankton, 174 

 preservation, 375 

 Aneroid, 14 



Animals, classification, 430-432 

 floating, Chapter V., 162-199 

 collection, 188-190,197- 



199 

 description, 163-188 

 distribution, 191-196 

 preservation, 367-382 

 sorting and pickling, 



284-285 

 special adaptations, 196 

 swarms, 196 

 temperature, 193-194 

 vertical movement, 194 

 of Sea Floor, Chapter VII., 

 231-265 

 continental shelf, 233- 



251 

 distribution, 252-261 

 deep sea, 261-265 

 zones, 231-233 



Anomuia, 245 



Antedon, 240, 376 



Aphrodite, 377 



Appendicularia, 184, 187 



Arachnactis, 173, 175 



Archaeolithothamnion, 160 



Archaster, 247 



Argonauta, 183, 248 



Argyropelecus, 321 



Arthrocardia, 151 



Ascidians. See Urochordata 



441 



