58 



THE VOYAGE OF H.M.S. CHALLENGER. 



Date. 

 1875. 



Bottom Surface 



Specific Gravity of Sea- 



Trawling 

 Dredging. 



392 

 393 

 394 

 395 



413 

 414 

 415 



416 

 417 

 418 

 419 

 420 



421 

 422 

 423 

 424 

 425 



426 

 427 

 428 

 429 

 430 



431 

 432 

 433 

 434 

 435 



436 

 437 

 438 

 439- 

 440 



441 

 442 

 443 

 444 

 445 



250 

 251 

 252 

 253 



396 254 



397 255 



398 256 



399 257 



400 258 



401 

 402 

 403 

 404 

 405 



406 

 407 

 408 

 409 

 410 



411 

 412 



259 

 260 

 261 

 262 

 263 



264 

 265 

 266 

 267 

 268 



269 

 270 



291 

 292 

 293 

 294 

 295 



296 

 297 



July 



August 12 

 20 



23 



25 

 26 

 28 

 30 



September 2 



271 

 272 

 273 



274 

 275 

 276 

 277 

 278 



279 

 279a 

 279b 

 279c 

 280 



281 

 282 

 283 



284 

 285 



286 



287 

 288 



November 1 

 3 

 5 



11 

 17 



Decemberl4 

 17 



446 301 



447 302 



448 303 



449 304 



37 49 

 37 37 



37 52 



38 9 



35 13 



32 28 



30 22 



27 33 



26 11 



23 3 

 21 11 

 20 18 

 19 12 

 17 33 



14 19 



12 42 



11 7 



9 28 



7 35 



5 54 



2 34 



SOUTH. 



33 



3 48 

 5 11 



7 25 



11 20 



13 28 



15 61 



17 12 



17 30 26 

 17 29 53 

 17 29 38 



17 29 11 



18 40 



22 21 



23 46 

 26 9 

 28 22 

 32 36 



33 29 



36 32 



40 3 



39 41 



39 16 



39 13 



38 43 



39 4 

 39 22 

 38 7 



37 29 

 34 7 

 33 31 

 33 42 



37 29 

 42 43 

 45 31 



WEST. 



166 47 



163 26 



160 17 



156 25 



154 43 



154 33 



154 56 



154 55 



155 12 



156 6 



157 27 

 157 14 

 154 14 



152 37 

 152 1 

 152 3 

 150 49 

 149 49 



147 2 



149 9 



WEST. 



151 34 



152 56 

 152 56 



152 15 



150 30 

 149 30 

 149 41 

 149 43 



149 33 45 

 149 34 

 149 34 7 

 149 34 32 

 149 52 



150 17 



149 59 



145 17 



141 22 



137 43 



133 22 



132 52 



132 58 



131 23 



124 7 



118 49 



112 31 



105 5 



98 46 



94 4 



88 2 



83 7 



73 56 



74 43 

 78 18 



84 2 

 82 11 

 78 9 

 75 12 



3050 

 2950 

 2740 

 3125 



3025 

 2850 

 2950 

 2875 

 2775 



2225 

 310 

 2050 

 2875 

 2650 



2900 

 2750 

 2700 

 2900 



2550 

 2925 



2425 

 2600 

 2350 



2750 

 2610 

 2350 

 2325 

 1525 



420 

 590 

 620 

 680 

 1940 



2385 

 2450 

 2075 

 1985 

 2375 



2335 

 2400 

 2600 

 2550 

 2300 



2250 

 1600 

 2025 

 2270 

 1500 



1825 

 1775 

 2225 

 2160 

 1375 



None. 



1450 



1325 



45 



Red clay. 

 Red clay. 

 Red clay. 

 Red clay. 



Red clay. 

 Red clay. 

 Red clay. 

 Red clay. 

 . Red clay. 



Red clay. 

 Hard grouud. 



Red clay. 

 Volcanic sand. 



Red clay. 



Bed clay. 



Red clay. 

 Radiolariau ooze. 

 Radiolarian ooze. 

 Radiolarian ooze. 



Red clay. 

 Globigerina ooze. 



Globigerina ooze. 

 Radiolarian ooze. 

 Radiolarian ooze. 



Radiolarian ooze. 



Red clay. 



Red clay. 



Red clay. 



Mud. 



Mud. 

 Mud. 

 Mud. 

 Mud. 

 Globigerina ooze. 



Bed clay. 

 Red clay. 

 Red clay. 

 Globigerina ooze. 

 Bed clay. 



Red clay. 

 Red clay. 

 Red clay. 

 Red clay. 

 Red clay. 



Red clay. 

 Globigerina ooze. 

 Red clay. 

 Red clay. 

 Red clay. 



Globigerina ooze. 

 Globigerina ooze. 



Grey ooze. 



Grey ooze. 

 Globigerina ooze. 



Globigerina ooze. 



Globigerina ooze. 



Sand. 



35-0 

 35-1 

 35-3 

 35-1 



35-0 

 35-0 

 35-2 

 34-9 

 35-2 



34-9 

 44-0 

 35-2 

 35-2 

 35-1 



35 '2 

 35-0 

 35-1 

 35 

 34-8 



35-2 

 34-6 



35-0 

 35-1 

 34-5 



65-0 

 65-0 

 65-0 

 67-7 



72-0 

 74-0 

 74-0 

 76-5 

 77-0 



77-0 

 76-8 

 78-5 

 77-5 

 77-5 



77-5 

 79-2 

 80-0 

 80 '0 

 81-0 



81-2 

 79-5 



1-02574 

 1-02577 

 1-02573 

 1-02575 



1-02537 

 1-02578 

 1-02576 

 1-02589 

 1-02539 



1-02588 

 1-02650 

 1-02574 

 1-02579 

 1-02558 



1-02610 

 1-02566 

 1-02595 

 1-02590 

 1-02580 



1-02587 

 1-02591 



1-02601 

 1-02646 



1-02618 

 1-02603 

 1-02590 

 1-02575 



1-02637 

 1-02593 

 1-02590 



1-02580 



1-02570 

 1-02564 

 1-02563 

 1-02567 

 1-02549 



1-02552 

 1-02561 

 1-02572 



1-02544 

 1-02565 



1-02568 

 1-02546 



1-02562 

 1-02564 



1-02566 

 1-02528 

 1-02540 

 1-02608 



1-02576 

 1-02618 

 1-02644 

 1-02620 

 1-02605 



1-02584 

 1-02576 

 1-02598 

 1-02597 

 1-02603 



1-02586 

 1-02680 

 1-02697 

 1-02506 

 1-02586 



1-02612 

 1-02634 



1-02650 



1-02667 

 1-02690 

 1-02641 

 1-02592 

 1-02710 



Trawled. 

 Dredged. 



Trawled. 



Dredged, 



Trawled 



Trawled. 

 Trawled, 



Trawled. 

 Trawled, 



Trawled, 

 Trawled, 



Trawled. 

 1-02719 Trawled, 



1-02690 

 1-02682 

 1-02640 

 1-02639 

 1-02627 



1-02614 

 1-02587 

 1-02557 

 1-02527 

 1-02532 



102560 

 1-02533 

 1-02524 

 1-02613 

 1-02536 



1-02635 

 1-02543 

 1-02535 

 1-02533 

 1-02530 



1-02541 

 1-02531 

 1-02487 

 1-02292 



Trawled. 

 Trawled. 



Trawled. 

 Trawled. 



Trawled. 

 Trawled 

 Trawled. 



Trawled. 



Trawled. 

 Trawled. 

 Trawled. 

 Trawled. 

 Trawled. 



