ADVERTISEMENTS, 
7 
TO GEOLOGISTS. 
RED AND WHITE CHALK of Speeton and East Yorkshire. The charac- 
teristic and rarer Possila of the above formations constantly on sale at 
Bridlington. Address as under. 
Edwaed Tindall, Old Guildhall, Bridlington. 
SOWERBY, CONCHOLOGIST AND PUBLISHER. Established 50 Years ; 
from opposite the British Museum. Having the largest and finest Stock of 
Minerals, Fossils, and Shells, they cam be ofiered at prices lower than any other 
establisliment in the world. 
The Geological, Mineral, and other Collections, having every specimen with the 
scientific name attached, and being systematically arranged, aflbrd the greatest 
facility to students. 
CABINETS. 
Mahogany Cabinets are made to any size, of the best seasoned woods, which 
have been stacked for many years. 
A 4-drawer mahogany French-poKshed Cabinet, enclosed by 
folding doors, lock and key 
. £0 17 
6 
A 5-drawer larger ditto 
ditto 
ditto 
. 1 1 
0 
A 6-drawer ditto 
ditto 
ditto 
. 1 7 
0 
A 7-drawer ditto 
ditto 
ditto 
. 1 17 
0 
An 8-drawer ditto 
ditto 
ditto . 
. 2 10 
0 
SowEKBY, 167, Strand, London, "W.C. 
FOSSILS DISCOVERED IN THE EXCAVATIONS FOR THE MAIN 
DRAINAGE. 
TO GEOLOGISTS, NATURALISTS, AND THE PUBLIC. 
GREAT NOVELTY.— NEW STEREOSCOPIC SLIDE. No. I., price Is., 
CYRENA DULWICHIENSIS ; a new and beautiful species of Estuarine 
Shell, discovered by Mr. Charles Rickman, Honorary Curator, Lambeth 
Museum of Natural History, in Lower Eocene Strata at Dulwich, 60 feet from the 
surface. Photographed from the original, as engraved in the Illustrated London 
News, Saturday, March 24th, 1860, and Geologist for April. 
Published by J. Waenee, Optician, 72, Fleet-street, to whom all orders are to 
be addressed. 
N.B. — Sent free by post on receipt of 14 postage stamps. 
REYNOLDS' GEOLOGICAL ATLAS OP GREAT BRITAIN.— Comprising 
a Series of Maps in which the Roads, Railways, and Geological Features of 
England amd Wales are accurately laid down ; with a GeologicEil Map of Scotland. 
The Maps are compiled from the iatest authorities, and Coloured Geologically to 
correspond as nearly as possible with those of the Government Geological Sur- 
vey. The work forms a convenient pocket volume, alike useful for reference and 
as an interesting traveUing companion, giving the information of large and ex- 
pensive maps, in a portable form, at less than a quarter their price. 
Bound in cloth. Price ICs. 6d. London : James Reynolds, 174, Strand. 
