INDEX 



ACTIXIAEIA, 36, 93 

 two remarkable genera of, 15 

 Aegir, 15 



Agassiz, A., on colour of Ccelen- 

 tera, 65 



- on Echinoidea, 101, 103 

 Agassiz, L., on board the 



' Hassler,' 12 



'Albatross,' American vessel, 15 

 Alcyonaria, 95 



- phosphorescence of, 81 

 Amphipoda, 124 

 Anemones of deep water, 36, 92 



- two remarkable genera of, 

 15 



Annelida, 117 



Ascidia composite, 146 



salpiformes, 147 



simplices, 142 

 Asteroidea, 104 



BAEBIERS of temperature, 32 



Batkynomus, 129 



Beddard, F. E., on Isopoda, 127 



Benthos, 53 



Berycidas, 154 



'Blake,' American vessel, 12 



Blue mud, 42 



Brachiopoda, 115 



Brachyura, 138 



Brisinga, 9, 105 



Buchanan's experiment, 19 



CAEPENTER, P. H., on Cri- 



noidea, 100 

 Ceplialodiscus, 113 

 Cephalopoda, 120 

 ' Challenger,' H.M.S., voyage 



of, 12 



Cirripedia, 130 

 Coelentera, colour of, 65 



of deep sea, 91 



Colour of the deep-sea fauna, 

 59, 66 



- of the deep-sea fish, 60 

 Copepoda, 124 

 Corals, 94 

 Crinoidea, 99 

 Crustacea, 123 



colour of, 63 



DARKNESS of the abyss, 22 

 Diatom ooze, 39 

 Dipnoi, 149 



ECHINODEEMA, 99 



- colour of, 64 

 Echinoidea, 101 

 Eels, 165 

 Elasipoda, 106 

 Elasmobranchii, 148, 153 

 Eryonidse, 135 

 Eyes of abysmal animals, 67 

 of deep-sea Crustacea, 72 



