632 MR E. M. WEDDERBURN 
deputed the charge of the current-meters to which reference will be made later. The 
author endeavoured to keep a general superintendence over the whole work, and thus, 
in all, twenty-two observers were employed, all of whom entered enthusiastically into 
the work, and to whose collaboration and especially to those in charge of the various 
stations a very large part of the success of the expedition was due. 
At first the intention was to make regular hourly observations at each station, each 
observation consisting of the observation of temperature at eight or nine different depths, 
occupying say 45 minutes; as most of the observers had to live at some distance from 
Fic. 3.—Mr Youn operating sounding machine. Fic. 4.—Mr Paskk reading thermometer. 
the work, and as many were not expert in the management of boats, this programme 
was found a little severe. Observations were therefore made every other hour, and the 
preliminary observations made it appear that such observations were sufficiently close. 
Nevertheless, hourly observations were kept up, as a rule, during daylight at three of 
the stations. 
Interruptions of the work were happily few—one or two breaks were caused by bad 
weather, others, unfortunately, by the loss of thermometers through the wire rope 
James Mecuiz, C. W. B. Normanp, M.A., B.Sc. V. E. Pasxe, E. G. Rircam, G. SHearer, T. M, STEvEn, 
J. G. Surnertannd, M.A, and A. W. Youne. Sir Jonn Murray lent several reversing thermometers, and a 
current-meter ; the Director of the Meteorological Office, thermographs, sunshine recorder, and parts of anemograph ; 
Professor Niven, Aberdeen, the anemograph'; the Scottish Meteorological Office, rain-gauges and thermometer screens. 
Dr W.S. Bruce also kindly offered the use of a reversing thermometer, 
