The Voyage of the "Challenger"

THE ATLANTIC

A PRELIMINARY ACCOUNT OF THE GENERAL RESULTS OF

THE EXPLORING VOYAGE OF H.M.S. "CHALLENGER"

DURING THE YEAR 1873
AND THE EARLY PART OF THE YEAR 1876

BY SIR C. WYVILLE THOMSON
DIRECTOR OF THE CIVILIAN SCIENTIFIC STAFF OF THE "CHALLENGER" EXPEDITION

IN TWO VOLUMES
VOL. II

1878.

HMS Challenger

reproduced from original documents in the library holdings of
Dartmouth College, Hanover, New Hampshire, USA
Copyright © 2002 by Dr. David C. Bossard

 Bookplate (Dartmouth College 1878)

 Titlepage

 Frontispiece - Portrait of Sir C. Wyville Thomson

Contents  003  004

Illustrations  005  006

 Plates

Chapter 1  009  010 011 012  013  014 015  016  017 018  019  020  021 022  023  024 025  026 027  028  029 030  031  032  033 034  035  036 037  038 039  040  041 042  043  044  045 046  047  048 049  050  051 052  053 054 055  056  057  058 059 060

Chapter 2  061  062 063 064  065  066 067  068  069 070  071  072  073 074  075  076 077  078 079  080  081 082  083  084  085 086  087  088 089  090 091  092  093 094  095  096  097 098  099  100 101  102 103  104  105 106  107  108  109 110  111  112 113  114 115  116  117 118  119  120

Chapter 3  121  122 123 124  125  126 127  128  129 130  131  132  133 134  135  136 137  138 139  140  141 142  143  144  145 146  147  148 149  150  151 152  153 154 155  156  157  158 159 160  161 162  163 164  165 166 167  168  169  170 171 172  173 174  175

Chapter 4  176  177 178 179  180  181 182  183  184 185  186  187  188 189  190  191 192  193 194  195  196 197  198  199  200 201  202 203  204  205 206  207  208  209 210  211  212 213  214 215  216  217 218  219  220  221 222  223  224 225  226 227  228  229 230  231  232  233 234  235  236 237  238 239  240  241 242  243  244  245

Chapter 5  246  247 248 249  250  251 252  253  254 255  256  257 258  259  260  261 262  263  264 265  266 267  268  269 270  271  272  273 274  275  276 277  278 279  280  281 282  283  284  285 286  287  288 289  290 291  292  293 294  295  296  297 298  299  300 301  302  303 304  305 306  307  308 309  310  311  312 313  314  315 316  317 318  319  320 321 322  323  324 325  326  327 328  329  330

Index  331  332 333 334  335  336 337  338  339 340



 EXPLANATION OF THE PLATES.


Plate
100ppi		 Plate
400ppi
To face
Page
 XV.  XV. THE TRACK OF THE SHIP FROM BERMUDAS TO MADEIRA 14
 XVI.  XVI. DIAGRAM OF THE VERTICAL DISTRIBUTION OF TEMPERATURE BETWEEN BERMUDAS AND MADEIRA 18
 XVII.  XVII. METEOROLOGICAL OBSERVATIONS FOR THE MONTH OF JUNE, 1873 23
 XVIII.  XVIII. METEOROLOGICAL OBSERVATIONS FOR THE MONTH OF JULY, 1873 50
 XIX.  XIX. THE TRACK OF THE SHIP FROM MADEIRA TO STATION 102 64
 XX.  XX. DIAGRAM OF THE VERTICAL DISTRIBUTION OF TEMPERATURE BETWEEN MADEIRA AND STATION 102 76

 XXI.  XXI. THE TRACK OF THE SHIP FROM STATION 102 TO SAN SALVADOR 82
 XXII.  XXII. DAGRAM OF TIlE VERTICAL DISTRIBUTION OF TEMPERATURE BETWEEN STATION 102 AND PERNAMBUCO 87
 XXIII.  XXIII. THE "CHALLENGER" AT ST. PAUL'S ROCKS 96
 XXIV.  XXIV. METEOROLOGICAL OBSERVATIONS FOR THE MONTH OF AUGUST 1873 102
 XXV.  XXV. FERNANDO NORONHA 108
 XXVI.  XXVI. METEOROLOGICAL OBSERVATIONS FOR THE MONTH OF SEPTEMBER, 1873 124
 XXVIIa.
 XXVIIb.		  XXVIIa.
 XXVIIb.		 THE TRACK OF THE SHIP FROM SAN SALVADOR TO THE CAPE OF GOOD HOPE 128
 XXVIII.  XXVIII. DIAGRAM OF THE VERTICAL DISTRIBUTION OF TEMPERATURE BETWEEN SAN SALVADOR AND THE CAPE OF GOOD HOPE 132
 XXIX.  XXIX. THE ISLAND OF TRISTAN D'ACUNHA 138
 XXX.  XXX. METEOROLOGICAL OBSERVATIONS FOR THE MONTH OF OCTOBER, 1873. 156
 XXXI.  XXXI. NIGHTINGALE ISLAND 164
 XXXII.  XXXII. [008] CHART OF THE TRISTAN D'ACUNHA GROUP 166
 XXXIII.  XXXIII. METEOROLOGICAL OBSERVATIONS FOR THE MONTH OF NOVEMBER, 1873. 168
 XXXIVa.
 XXXIVb.		  XXXIVa.
 XXXIVb.		 THE TRACK OF THE SHIP FROM THE FALKLAND ISLANDS TO THE MERIDIAN OF TRISTAN D'ACUNHA 180
 XXXV.  XXXV. DIAGRAM OF THE VERTICAL DISTRIBUTION OF TEMPERATURE BETWEEN THE FALKLAND ISLANDS AND LOBOS ISLAND 198
 XXXVI.  XXXVI. METEOROLOGICAL OBSERVATIONS FOR THE MONTH OF FEBRUARY, 1876 214
 XXXVII.  XXXVII. DIAGRAM OF THE VERTICAL DISTRIBUTION OF TEMPERATURE BETWEEN LOBOS ISLAND AND TRISTAN D'ACUNIIA 216
 XXXVIIIa.
 XXXVIIIb.		  XXXVIIIa.
 XXXVIIIb.		 THE TRACK OF THE SHIP FROM TRISTAN D'ACUNHA TO STATION 350 222
 XXXIX.  XXXIX. DIAGRAM OF THE VERTICAL DISTRIBUTION OF TEMPERATURE BETWEEN TRISTAN D'ACUNHA AND STATION 348 228
 XL.  XL. METEOROLOGICAL OBSERVATIONS FOR THE MONTH OF MARCH, 1876 248
 XLI.  XLI. METEOROLOGICAL OBSERVATIONS FOR THE MONTH OF APRIL, 1876 282
 XLII.  XLII. METEOROLOGICAL OBSERVATIONS FOR THE MONTH OF MAY, 1876 306