INDEX 



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



-Vbyss = the greater depths of the 



ocean 

 Abyssal animals, 261-265 



conditions, 228, 229 

 Acanthephyridae, 264 

 Acanthometra, 164, 166, 368 

 Accumulator, 275 

 \cetabularia, 135, 140 

 Achyla, 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 

 ^vldrich Deep, 206 

 Ambergris, 398 

 Ammonites, 248 

 Amphinome, 251 

 Amphioxus, 76, 188 

 Amphipoda bottom, 244 



plankton, 178 



preservation. 379 



i Amphirhoa, 151 

 ; Anaesthetics, in, 360, 361 

 Anchor, work at, 71, 198 

 Anemometer, 17 

 Anemones of corals, 89-94 

 of plankton, 174 

 preservation, 375 

 Aneroid, 14 



Animals, classification, 430-432 

 floating, Chapter V. , 1 62- 1 99 

 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- 



25 1 



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 



