29 
Donoes. 
Forty-five Eock Specimens of Volcanic 
Ashes, Lavas, &c., illustrating the 
structure of the Keswick district, Bor- 
rowdale, &c., and as shewing the altera¬ 
tion of the rocks in the neighbourhood 
of the Skiddaw Granite; from the Lake 
District, Borrowdale, &c. 
A series of Fossils from the Lower Chalk 
of Thixendale, Yorkshire. 
Tooth of Sargodon and Fish Plate from 
the Bhsetic, of Aust Cliff, Bristol.... 
Spine of Hybodus from Lyme Eegis. .. 
Two specimens of Miliobates Jaws from 
Bracklesham... 
A Series of Fossil Sponges, &c., from the 
chalk of Yorkshire . 
Boulders from the boulder clay at the 
New Gasworks, near Monk Bridge.. 
A Bock Specimen from Penmaenmacor, 
North Wales. 
Eighteen species of Fossils from the 
Middle Oolite of Oxfordshire. 
One Echinus, 2 Sponges, and 4 Inocerami 
from the chalk of Yorkshire . 
/ Wm. Beed, Esq., F.G.S. 
I S. Chadwick, Esq. 
I York Gas Company. 
I Miss Baine. 
I Miss Eden, Aberford 
) Vicarage, Leeds. 
\ S. Chadwick, Esq., 
i Malton. 
- 0 - 
MINERALOGY. 
Donoes. 
Large Crystal of Calcite, Calamine (car- \ 
bonate of zinc) and “cauk” (sulphate ( 
. -fr- / Dr. C. H. Dunhill. 
of Barytes) from the Magpie Mine, i 
Derbyshire ... 
Native Gold 
Pyrites 
Native Silver 
Celestine 
Native Copper 
Cassiterite 
Native Bismuth 
Psilomelan 
Native Antimony 
Wad 
Galena 
Manganite 
W. H. Huddleston, 
Esq., F.G.S. 
