LIST OF FIGURES. 



FIGURE VOL. I. PAGE 



185. Scalpellum Darwinii, attached to manganese nodule, \ (Challenger) . 268 



186. Shark's tooth, Oxyrhina (Challenger) 268 



187. Ear-bone, Zyphius, 2,375 fathoms (Challenger) 268 



188. Section of manganese nodule showing tympanic bone of Mesoplodon, 



2,600 fathoms (Challenger) 269 



189. Concretion, 333 fathoms, from Blake station 317, |- .... 276 



190. Modern greensand, 142 fathoms, from Blake station 314, * . 278 



191. Map showing distribution of bottom deposits 286 



192. Rock from Pourtales Plateau . 287 



XIII. THE PHYSIOLOGY OF DEEP-SEA LIFE. (Figs. 193, 194.) 



193. Bunsen's apparatus, as modified by Jacobsen and Behrens (Voringen 



exp.) 295 



194. Map of specific gravity of sea-water of the Western North Atlantic 



(Buchanan) . 299 



XV. SKETCHES OF THE CHARACTERISTIC DEEP-SEA TYPES. FISHES. (Figs. 



195-224.) 



FIGURE *s^ VOL. II. PAGE 



195. Sternoptyx diaphana, ^ . ........ 22 



196. Cyclothone lusca, l (U. S. F. C.) . . 22 



197. Monolene atrimana, about \ 24 



198. Barathronus bicolor, about ^ ......... 25 



199. Barathrodemus manatinus, about f . . . . . . . .25 



200. Aphyonus mollis, about f ......... 25 



201. Ophidium cervinum, about \ (U. S. F. C.) ...... 26 



202. Macrurus caribbseus, about f (U. S. F. C.) 26, 27 



203. Bathygadus arcuatus, \ (U. S. F. C.) 26, 27 



204. Phycis Chester!, |(U. S. F. C.) 26,27 



205. Bregmaceros atlanticus, \ 27 



206. Plectromus suborbitalis, \ (U. S. F. C.) 28 



207. Callionymus Agassizii, about \ ........ 29 



208. Chiasmodon niger, about \ (U. S. F. C.) .29 



209. Peristedium longispatha, about ^ . . . . . . .30 



210. Nest of Pterophryne in Gulf-weed, about \ 31 



211. Antennarius, ........... 31 



212. Alepocephalus Agassizii ......... 32, 33 



213. Halosanrus macrochir, \ 32, 33 



214. Chauliodes Sloani, T \ (U. S. F. C.) 32, 33 



215. Ipnops Murrayi, about \ ......... 32 



216. Bathysaurus Agassizii, about \ . . . . . . . 32, 33 



217. Bathypterois quadrifilis, about f 32 



218. Benthosaurus grallator, f 32, 33 



219. Scopelus Mullen, l (U. S. F. C.) . . 33 



220. Malacosteus niger, l 35 



221. Synaphobranchus pinnatus, \ (U. S. F. C.) 34, 35 



222. -Nemichthys scolopaceus, \ (U. S. F. C.) 34, 35 



223. Nettastoma procerum, \ 34, 35 



224. Gastrostomus Bairdii, \ (U. S. F. C.) 34, 35 



