250 UNDERGROUND WATERS OF NORTH-WEST YORKSHIRE. 
a special part in the tedious work of watching streams and collect- 
ing samples for analysis. The operations are fully recorded under 
another division of this Report, and so need not be detailed 
here. 
It was resolved to appoint a Sub-committee, as was done 
in tlie case of the Malham investigation, to make arrangements 
for the continuance of the work and its proper oversight. The 
following members were elected to form that Sub-committee : — 
Messrs. Fennell, Bean, Ackroyd, Kendall, Howarth, Dwerry- 
house, and Carter (Secretary). Subsequently on the removal 
of Mr. Bean to Newcastle his place was taken by Mr. S. W. 
Cuttriss. 
On May 17tli this Sub-committee met and decided to issue 
a brief statement of the results of the investigations to date to 
the members of the General Committee and to the Press, and 
Messrs. Branson and Carter were requested to prepare this 
statement. 
The second meeting of the full Committee was held at 
Clapham on June 8tli, 1900, under the presidency of Dr. David 
Forsyth. There were present Messrs. Ackroyd, Branson, 
Dwerryhouse. Bingley, Fennell, Kendall, Fairley, Swann, Law, 
and Carter (Secretary). It was decided to test " The Abyss," 
in Ingleborough Cave, Grey Wife Sike, and two pots on the 
Allotment. This was carried out as detailed further on. 
At a meeting of the Sub-committee on August 3rd, Mr. 
Ackroyd presented the report of the second series of tests in the 
Clapham area. The report was adopted with the best thanks 
of the Committee to the chemists for their arduous labours, and 
the papers were handed to Mr. Dwerryhouse for the results to 
be embodied in a report to the Bradford Meeting of the British 
Association. 
The Sub-committee met on October 18th. when Mr. Dwerry- 
house read the report that had been presented to the Geological 
Section of the British Association at Bradford. It was agreed 
that the next tests should be made on the western side, fluorescein 
to be introduced into a pot on Ravenscar. Mr. Dwerryhouse 
and Mr. Howarth to arrange, in conjunction with Mr. J. W. Tate. 
