68 
paper on the Marine Shells found near Macclesfield, and in 
a Postcript to the Memoir printed in Yol. III. (3rd series) 
of the Society’s Transactions, alludes to the beds near the 
Buxton Road, mentioned by Mr. Prestwich, which he makes 
to be about 1,150 feet high. He also alludes to the Yale 
Royal and Macclesfield beds, and gives a full catalogue of 
the shells found in the latter in a communication to the 
Geological Mazagine for July, 1865. 
In March, 1865, Mr. Sainter read a paper befoi'e the Man- 
chester Geological Society on the Macclesfield Drift Shells, 
wherein he alludes to Mr. Prestwich’s beds. See Yol. V., p. 
114, of that Society’s Memoirs. 
Mi-. A. H. Green, in his Memoir of the Geology of Maccles- 
field, &c., published in 1866, notices the Yale Royal and 
Macclesfield beds, as well as the scattered boulders (No. 1) 
on the hill sides. 
Mr. John Aitken, F.G.S., the President of the Manchester 
Geological Society, in a paper read before that body in Feb- 
ruary, 1868, and published in Vol. VII., p. 5, of its Memoirs, 
notices the occurrence of a thin bed of gravel in which he 
found a chalk flint on Holcome Hill, near Ramsbottom, at 
an elevation of 1,150 feet above the sea. 
Mr. A. H. Green, in his interesting memoir on the Car- 
boniferous Limestone, &c., of North Derbyshire and the 
adjoining parts of Yorkshire, published by the Geological 
Survey in 1869, notices the heights at which the drift has 
been found on the western side of the Pennine Chain, and 
gives a map showing its distribution. 
General Description. 
The Drift Deposits, all of which have been found at high 
levels, may be classed under four distinct heads, namely : — 
1st. Scattered blocks of granites, greenstones, porphyries, 
silurians, mountain limestones, and carboniferous, now found 
lying on the surface of the ground without any clay or 
