Sept., 1892 . midland union of natural history societies. 197 
Committee of the British Association reports that he attended 
the first meeting of the committee, but was accidentally pre¬ 
vented from attending the second. 
Amongst the subjects brought forward it was desired 
that the attention of the Corresponding Societies should be 
directed to the following:— 
Section A. Meteorological Photography.—The committee 
appointed to deal with this subject will be very glad to receive 
photographs of noteworthy phenomena, such as effects of 
snowstorms, wind, floods, &c., and not only so, but they will 
also be glad to know the names of photographers from whom 
interesting photographs of any special natural phenomena 
can be obtained. The future interest and value of such 
records will be considerable. The secretary of the committee 
is Mr. A. W. Clayden, 131, Palace Road, Tulse Hill Park, 
London, S.W. 
Section C.—The Geological Photographs Committee 
desires an increased amount of support for the interesting 
work it has undertaken. The. formation of local committees 
is very desirable in order to ensure the recording of interesting 
exposures of strata, &c., more especially when they are likely 
soon to be obliterated, as is the case in railway or road 
cuttings, &c. A Local Geological Photographs Committee 
has been formed in connection with the Birmingham 
Philosonhical Societv, and its secretarv is Mr. F. W. Martin. 
F.G.S., 24, Rotton Park Road, Birmingham. 
A report was given of some observations upon the amount 
of debris brought down by streams supplying reservoirs. It 
was pointed out that most important evidence of the rate of 
subaerial denudation of the drainage area of such streams 
might be obtained by the simple expedient of seeing how soon 
settling tanks'of known capacity became filled with the 
debris they brought down. The presence of these settling- 
tanks would not only yield valuable geological data, but also 
serve the practical purpose of preventing the filling up of the 
reservoir. 
For the benefit of individuals or societies undertaking the 
record of glacial boulders, it was pointed out that the 
Glacialists’ Association had drawn up a serviceable “ Schedule 
of Instructions ” for those desiring uniformity in their method 
of record. There was much interesting information with 
regard to the work of the Committee, but this will be found 
in the report of the Committee, of which copies can be 
obtained. The Secretary is Prof. Meldola, F.R.S., London. 
THE EXECUTIVE COMMITTEE’S SPECIAL REPORT. 
Your Council will submit a report embodying some 
valuable suggestions made by the Executive Committee, 
