ADVERTISEMENTS. 



7 



TO GEOLOGISTS. 



EED AND WHITE CHALK of Speeton and East Yorkshire. The charac- 

 teristic and rarer Fossils of the above formations constantly on sale at 

 Bridlington. Address as under. 



Edwakd Tindall, Old Guildhall, Bridlington. 



SOWERBY, CONCHOLOGIST AND PUBLISHER. EstabHshed 50 Years ; 

 from opposite the British Museum. Having the largest and finest Stock of 

 Minerals, Fossils, and Shells, they can be offered at prices lower than any other 

 estabhshment ia the world. 



The Geological, Mineral, and other Collections, having every specimen with the 

 scientific name attached, and being systematically arranged, afford the greatest 

 facUity 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-pohshed Cabinet, enclosed by 



folding doors, lock and key 



A 5 -drawer larger 



ditto 



ditto 



ditto 



A 6-drawer 



ditto 



ditto 



ditto 



A 7-drawer 



ditto 



ditto 



ditto 



An 8-drawer 



ditto 



ditto 



ditto 



£0 17 6 

 110 

 17 0 



1 17 0 



2 10 0 



SowERBY, 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. L, price Is., 

 CYRENA DULWICHIENSIS ; a new and beautiful species of Estuarine 

 SheU, discovered by Mr. Charles Rigkman, 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. Warner, Optician, 72, Fleet-street, to whom all orders are to 

 be addressed. 



N.B. — Sent free by post on receipt of 14 postage stamps. 



MAPS, PLAINS, SECTIONS, and DRAWINGS on STONE and WOOD, 

 ENGRAVINGS on METAL, WOOD, and STONE, LECTURE DIA- 

 GRAMS, and aU kinds of SCIENTIFIC ILLUSTRATIONS, LITHOGRAPHIC, 

 COPPER-PLATE, WOOD-CUT, and GENERAL PRINTING, and BINDING 

 are executed at the Office of 



The " GEOLOGIST," 22, Southampton-street, Strand. 



Authors' manuscripts revised and prepared for the press, and estimates given for 



complete works. 



