12 «> 
THE VOYAGE OF HALS. CHALLENGER. 
I. 
11 . 
III. 
IV. 
V. 
VI. 
Challenger 
Number. 
Station. 
Depth. 
Alkalinity per 
litre in 
milligrams. 
Alkalinity per 
55 "43 parts 
of Chlorine. 
Laboratory 
Number. 
421 
158 
400 fathoms 
51-88 
•1476 
115 
1873. 
March 7 
158 
Bottom 
55-64 
•1573 
116 
„ 13 
160 
50 fathoms 
55 -S4 
•1563 
117 
470 
165a 
400 „ 
54-12 
•1492 
270 
[492 
169 
Bottom 
75-88 
•2108 
276]* 
485 
168 
Bottom 
54-76 
•1554 
272 
500 
170 
100 fathoms 
53-00 
•1462 
278 
503 
170 
400 „ 
53-24 
•1499 
281 
511 
171a 
Bottom 
56-48 
•1562 
285 
523 
175 
200 fathoms 
52-76 
•1442 
288 
524 
175 
Bottom 
54-48 
•1509 
289 
536 
178 
50 fathoms 
53-28 
•1477 
291 
538 
178 
200 „ 
52-92 
•1460 
293 
544 
179 
300 „ 
53-96 
•1492 
295 
546 
179 
Bottom 
56-20 
•1560 
297 
[556 
180 
Bottom 
57-40 
•1601 
302] f 
586 
191a 
Bottom 
60-48 
•1707 
314 
594 
193 
400 fathoms 
53-56 
•1502 
320 
696 
193 
Bottom 
59-88 
•1693 
322 
605 
196 
Bottom 
54-08 
•1518 
323 
616 
198 
50 fathom? 
73-92 
•2079 
325 
635 
202 
300 „ 
51-56 
•1500 
333 
643 
204 
Bottom 
57-84 
•1626 
334 
656 
Bottom 
60-72 
•1704 
339 
791 
225 
Bottom 
55-08 
•1553 
342 
865 
238 
Bottom 
54-64 
•1548 
52 
874 
240 
25 fathoms 
52-52 
•1498 
54 
878 
240 
300 „ 
65-80 
•1888 
57 
905 and 906 
244 
400 A 600 fathoms 
52-60 
■1508 
58 
912 
245 
Bottom 
54-56 
■1549 
00 
1 221 
285 
Bottom 
57-08 
•1590 
346 
1259 
290 
Bottom 
53-84 
•1517 
347 
1300 
295 
Bottom 
54-44 
•1526 
348 
668 
Surface 
51-44 
•1468 
350 
675 
2 i 3 
Bottom 
55-52 
•1557 
351 
67 8 
213 
50 fathoms 
51-92 
•1466 
352 
753 
222 
70 „ 
53-12 
•1464 
355 
758 
222 
Bottom 
56-64 
•1585 
358 
806 
227 
300 fathoms 
52*20 
•1485 
360 
1094 
268 
300 „ 
53-88 
•1517 
367 
1127 
272 
Surface 
52-76 
•1433 
373 
1134 
272 
800 fathoms 
53-68 
•1505 
379 
1148 
276 
85 „ 
54-60 
•1463 
380 
1154 
276 
800 „ 
54-16 
•1509 
385 
1157 
277 
I h>t tom 
54-88 
•1538 
387 
1165 
278 
Bottom 
54-84 
•1534 
388 
1 169 
280 
50 fathoms 
54-36 
•1456 
389 
1264 
291 
100 „ 
51*48 
•1457 
395 
1270 
291 
Bottom 
54 00 
•1518 
399 
1271 
Surface 
51-44 
•1454 
400 
* Thu UiU]« contained a large deposit of mud. 
t “ COj, and gases boiled out. 
