secretary's report, 1907. 
225 
Papers. 
The following; papers have been read during the year, in- 
cluding those read at the last Annual Meeting : — 
"The Carboniferous Cycle," by Walcott Gibson, Esq., F.G.S., 
of H.M. Geological Survey. 
" The Ingletonian Series of West Yorkshire," by R. H. Rastall, 
Esq., M.A., F.G.S. 
" The Structure and Origin of Limestone Knolls," by Albert 
Wilmore, Esq., B.Sc, F.G.S. 
" Dendroid Graptolites in the Carboniferous Rocks of 
Britain," by Wheelton Hind, Esq., M.D., F.G.S. 
" The Carboniferous Rocks of the Isle of Man," by Wheelton 
Hind, Esq., M.D., F.G.S. 
Centenary of the Geological Society. 
An important event during the year has been the celebration 
of the Centenary of the Geological Society of London on the 
26th to 29th September, 1907. 
The Rev. Chas. T. Pratt, M.A., was appointed to represent 
the Society as delegate, and to present on the Society's behalf 
the following address : — 
To the President, Council, and Fellows of the Geological 
Society of London. 
The members of the Yorkshire Geological Society 
(founded in 1837 as the Geological and Polytechnic Society 
of the West Riding of Yorkshire) beg to present their smcere 
and hearty congratulations on the attainment of the Cen- 
tenary Anniversary of your Society. 
It is with much satisfaction that thej^ recall the names 
of not a few Yorkstiiremen who have held high positions 
amongst the officers and Council of your Society, and they 
gladly recognise how great and varied have been the services 
rendered to Yorkshire Geology by past and present dis- 
tinguished members of your fellowship. 
They desire to offer you their sincere thanks for the con- 
stant stimulus and help which your Society has afforded to 
