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T H E ATLANTIC.
CHAPTER I.
THE EQUIPMENT OF THE SH IP .
The Causes which led to the despatch of the ‘ Challenger’ Expedition.
—The Staff of Officers, Naval and Civilian.—The Special Arrangements
for Scientific Work.—The Natural History Work-room.—
The Chemical Laboratory.—The Apparatus for boiling out the
Gases from Sea-water; for determining the Carbonic A c id ; for
Gas Analysis.—The ‘ S lip ’ Water-bottle.— ‘ Buchanan’s ’ Stopcock
Water-bottle.—The Hydraulic Pressure-gauge.—The ‘B a illie ’
Sounding-machine.—The ‘V a lv e ’ Sounding-machine.-—Improvements
in the Dredge and in the mode of handling it.—The
Steam-pinnace.
A p p e n d ix A .— Official Correspondence with reference to the ‘ Challenger
’ Expedition, extracted from the Minutes of Council of
the Royal Society.
A p p e n d ix B.— List of the Stations in the Atlantic at which Observations
were taken during the year 1873.
It may perliaps be well, before going into tbe story
ol our own experiences, to sketch in a few wmrds
the train of circumstances wdiich led to tbe despatch
oi H.M.S. ‘ Challenger ’ on a voyage of scientific
research and discovery “ round the ivorld.” The
wonderful project of estalilisiiing a telegraphic com-
7 I?