1084 
THE VOYAGE OF H.M.S. CHALLENGER. 
Beltocyathus magnificus, 793 ; B. italicus, 
161, 793. 
Bemiegretta sacra, 484. 
Bendrilla, 644. 
Dendrobium, 704. 
Dendrochelidon, 485. 
Dendrochirotte, 278. 
Dendroseris, 829. 
Bendrostoma blandum, 908. 
Denge, the god, 493; ancient temple of, 493. 
Denham, Capt., 242, 475, 491, 492. 
Denham Island, 508. 
Density of sea water, see Sea water. 
Dentalium, xliii; B. dentalis, 897 ; B. en- 
talis, 897. 
D’Entrecasteaux, Bruny, 696, 698. 
D’Entrecasteaux Island, 696, 700, 702, 
706, 727, 728; dwelling houses at, 714 ; 
population of, 728 ; village at, 723. 
D’Entrecasteaux Reef, 702 ; description of, 
700. 
Deposits, between the Admiralty Islands 
and Japan, 737 ; near the African 
coast, 194 ; on Agulhas Bank, 289 ; 
near Antarctic Ice Barrier, 435 ; 
between Ascension and Cape Verde 
Islands, 929 ; off Australian coast, 
467 ; off the Azores, 180 ; at Bahia, 
236 ; off Banda, 560, 573 ; off 
Bermuda, 140 ; between Bermuda 
and the Azores, 168 ; between Ber- 
muda and Halifax, 161 ; along the 
coast of Brazil, 216 ; in Browera Creek, 
460 ; off Cape of Good Hope, 289 ; in 
Celebes Sea, 606 ; in China Sea, 628 ; 
between Falkland Islands and Monte 
Video, 903 ; between Fiji Islands and 
Hew Hebrides, 512 ; in Humboldt 
Bay, 689 ; in the Inland Sea, 748 ; 
off Japan, 750 ; off Kerguelen Island, 
360, 367 ; off Kermadec Islands, 476 ; 
off Ki Islands, 557 ; in Magellan Strait, 
873 ; between Mallenoah and Atataa, 
487 ; off Mbau, 493 ; off the Meangis 
Islands, 669 ; in the Messier and Sar- 
miento Channels, 873 ; between Hew 
Hebrides and Raine Island, 519 ; off 
east coast of Hew Zealand, 476 ; in H. 
Atlantic, 161, 182, 941 ; in H. Pacific, 
756, 774 ; south of Oosima, 748 ; off 
Palma Island, 182; off Papua, 689 ; at 
Pico, 175 ; off Porto Grande, 940 ; off 
Raine Island, 531; off the Rio de 1a. 
Plata, 910; off St. Paul’s Rocks, 206; 
off St. Thomas, 135 ; off St. Vincent, 
186 ; Samboangan to Humboldt Bay, 
678 ; off Sarnjiento Bank, 873 ; off 
Shag Island, 379 ; in S. Atlantic, 210, 
910 ; in S. Pacific, 476, 519, 803, 833 ; 
in Southern Ocean, 289, 302, 434 ; 
Deposits — 
off' the Tagus, 46 ; between Tonga- 
tabu and Fiji Islands, 487 ; in Torres 
Strait, 544 ; on the Tristan plateau, 
238 ; off Tristan group, 269 ; between 
Tristan Island and Cape of Good 
Hope, 276 ; off Valparaiso, 850 ; off 
Virgin Islands, 135 ; off Zebu, 652. 
Deposits, abysmal, 916 ; amorphous matter 
in, 913 ; analyses of, 915, 1049 ; 
colouring substances in, 914 ; descrip- 
tion of various, 917 ; fine washings in, 
913, 916 ; in general, 915 ; method 
of examination of, 915 ; mineral par- 
ticles in, 914, 916; siliceous organisms 
in, 916; table of, 916; terrigenous, 916. 
Deposits, blue mud, 917 ; coral muds and 
sands, 918 ; Diatom ooze, 920 ; Globi- 
gerina ooze, 919 ; green muds and 
sands, 917 ; Pteropod ooze, 919 ; 
Radiolarian ooze, 920 ; red clay, 920 ; 
red muds, 918 ; shore formations, 
916 ; volcanic muds and sands, 918. 
Derelict steamer, 865. 
Desmacidinidre, 569. 
Besmacidon fistulosa, 571. 
Besmopliyllum, 795. 
Besmoscyphus pumilus, 136. 
Biacria, 171, 919. 
Bicea septempunctata, 485. 
Diadem mountain, the, 783, 785. 
Diamond Point, 761. 
Biastylis, 742. 
Diatomacea, 218, 225, 544, 607, 737, 738, 
746 ; account of the, 930. 
Diatom ooze, 434, 435, 737 ; description 
of, 920. 
Diatoms, pelagic, see Diatomacea. 
Dicceum mindanense, 666. 
Bichelaspis, 852. 
Dickie, Prof., 376. 
Bicksonia culcita, 178. 
Dicladia, 931. 
Bicrurus striatus, 666. 
Bidyocalyx, 450. 
Dictyonina, 444, 446, 451; suborders of, 447. 
Bictyosphcera, 450. 
“Dido,” H.M.S. , 483. 
Diego Ramirez Islands, 886. 
Bielis wallaeei, 555. 
Dietary, table of, 1028. 
Digby Point, 867. 
Biodon, 459. 
Biomedea, 324, 787 ; B. brachyura, 738 ; 
B. chlororhyncha, 265 ; B. exulans, 
294, 319 ; B. fuliginosa, 299, 436. 
Diomedeina?, 324 ; differences between, 
and Proeellariidse, 325. 
Bione vanillce, 128. 
Bioscorea, 713. 
Biphyes, 170, 218, 639. 
Biplax pacificus, 485. 
Biplocheilus, 751. 
Biploria, 138 ; B. cerebriformis, 145, 146. 
Dipnoi, 455. 
Bipsas arruensis, 548. 
Diptera, 356, 376, 462, 891. 
Biptychus, 901. 
Direction Islands, 864. 
Biscina, 738 ; B. atlantica, 131, 132, 775. 
Biscoarachne, 858. 
Biscorbina, 186, 360, 379, 467, 842. 
“Discovery,” H.M.S., 310. 
Disease, of circulatory system, 1030 ; of 
digestive system, 1031; general, 1029; 
immunity from, during voyage, 359 ; 
of nervous system, 1030 ; of respira- 
tory system, 1030 ; of skin at Ki 
Islands, 553; at Humboldt Bay, 685. 
Bistichopora coccinea, 760. 
Bistoma, 219 ; B. okeni, 316. 
Distressed ship, a, 130. 
Distribution, of Actinometra, 310; of Aste- 
roidea, 607 ; of Brachyura in shallow 
water, 585 ; of Coccospheres, 938 ; of 
Copepoda, 844 ; of Etmodiscus, 933 ; 
facts in, explained, 564 ; of Mon- 
axonida, 572; of moth, 600; of 
Hemertea, 832 ; of Ostracoda, 847 ; 
of plants by birds, 566, 787 ; of Rhab- 
dospheres, 938. 
Dittmar, Prof. W., xlvi, 954, 956, 971, 
973, 978, 983, 987, 990, 992, 993, 
995, 1068 ; chemical analyses by, 
1033,; on composition of ocean water 
salts, 954, 972, 973 ; on composition 
of sea water, 954 ; on dissociation of 
sea water carbonates, 954. 
Diving Petrel, 359. 
Dobbo, description of, 545, 564. 
Dobbo Harbour, 544; Dobbo Spit, 544, 552. 
Dock, 253, 257, 828. 
Dock at Valparaiso, 843. 
Bodecas elongata, 619. 
Dog Island, 121. 
Dogs introduced to destroy goats at Juan 
Fernandez, 820, 823. 
Dohrn, Prof., 740, 856, 858. 
Boliolum, 219. 
Dolomedes, 485. 
Dolphin, 9, 545, 680, 729. 
Bomicella solitaria, 489, 498. 
Donati, xxxv. 
Dorididse, 694. 
Borigona, 617. 
Dorippidse, 585. 
Boroddaris papillata, 385, 388. 
Boto pygmcea, 136. 
Double Hill, 744. 
Double Island, 866. 
