04 Yorkshire Naturalists’ Union: Annual Report, 1910. 
is bound to be rewarded. A new attack on the problem of the 
flora of the Secondary Rocks of Yorkshire—not necessarily the 
already known Plant Beds—has been suggested, and the sugges- 
tion should receive the careful attention of the Section. Our 
President, Professor Seward, has been instrumental in obtaining 
a grant from a Cambridge University fund to enable Mr. Thomas, 
of Cambridge, to collect and investigate the fossil flora of East 
Yorkshire, and in this connection he has already done much work. 
The following were elected for rg11 :— 
President—J. J. Burton, Nunthorpe. 
Secretaries—Cosmo Johns, Sheffield; S. Nettleton, Ossett. 
Representative on Executive—Godfrey Bingley, Leeds. 
Representative on Committee of Suggestions—Prof. Kendall, 
Leeds. 
Geological Photographs Committee.— Mr. A. J. Stather reports: 
During the year 1gto the following photographs have been added 
to the collection of geological photographs possessed by the 
Yorkshire Naturalists’ Union Geological Photographs Co nmittee : 
By Mr. JoHN W. PATTERSON— 
Two photographs of rock sections through the micro- 
scope. 
1st—Whin Sill. Middleton-in-Teesdale. 
2znd—Altered Sandstone. Middleton-in-Teesdale. 
By Mr. J. W. STATHER— 
Ist—Section, Boulder Clay on Chalk. Kirk Ella. 
2nd—Detail Section of Boulder Clay. [Kirk Ella. 
3rd—Conglomerate Boulder. Gristhorpe Bay. 
4th—Section in Peat Bed. Joint Dock, Hull. 
By Mr. A. R. ARMSTRONG, Harrogate— 
1st—Glacial evidence near Harrogate. Field looking W. 
2nd—— P yi 2. * a a te): 
3rd— ‘, 5 : N.W. 
By Mr. C. BrapsHaw, Sheffield 
tst—Ripple-marked Sandstone at Grimesthorpe (See 
“ Naturalist), “Oct, 1896): 
2znd—Boulder Shap Granite from Adwick-on-Dearne,. 
(Now at Weston Park Museum). 
3rd—Erect tree trunk im situ, from Midland Railway, 
Brightsides. (Now at Weston Park Museum). 
Erect tree in situ, Midland Railway cutting, Bright- 
side. 
5th—Erect and prone trees im situ, Midland Railway 
cutting, Brightside. 
By Mr \)->]. (BuRToNn— 
tst—Silurian upthrow at Burtreeford Dyke, Teesdale. 
2nd—Tarns on the undercliffe. Cronkley Scars, Teesdale. 
(See July “ Naturalist “”. 
” +) +”? 
4th 
Naturalist, 
