CHAPTER Il. 
THE CRUISE OF THE ‘LIGHTNING.’ 
Proposal to investigate the Conditions of the Bottom of the Sea.— 
Suggestions and Anticipations.—Correspondence between the 
Council of the Royal Society and the Admiralty.— Departure 
from Stornoway.—The Froe Islands.—Singular Temperature 
Results in the F#roe Channel.—Life abundant at all Depths.— 
Brisinga coronata.—Holtenia carpentert.—General Results of the 
Expedition. 
Appenvix A.— Particulars of Depth, Temperature, and Position at 
the various Dredging Stations of H.M.S. ‘Lightning,’ in the 
Summer of 1868; the Temperatures corrected for Pressure. 
* * The bracketed numbers to the woodcuts in this chapter refer to the dredging 
stations on Plate I. 
In the spring of the year 1868, my friend Dr. W. 
B. Carpenter, at that time one of the Vice-Presidents 
of the Royal Society, was with me in Ireland, where 
we were working out together the structure and 
development of the Crinoids. I had long previously 
had a profound conviction that the land of promise 
for the naturalist, the only remaining region where 
there were endless novelties of extraordinary interest 
ready to the hand which had the means of gathering 
them, was the bottom of the deep sea. I had even 
had a glimpse of some of these treasures, for I had 
seen the year before, with Professor Sars, the forms 
E 
