ADVERTISEMENTS. 



CRAVEN, DUNNILL, & CO. 



(LIMITED), 



Encaustic & (jeometrical Tiles, 



JACKFIELD WORKS, 



NEAE lEOXBEIDGE, SHEOPSHIEE. 



PATTERN SHEETS, SPECIAL DESIGNS, AND 

 ESTIMATES, 



ON APPLICATION TO THE WORKS. 



Elementary Geological Collections, at 2, 5, 10, 20, 50, to lOu guineas 

 eaih. and eveiy requisite to assist those cominemins; the study ot this interesting 

 branch of Science, a knowledge of which affords so much pleasui-e to the traveller 

 in all parts of the world. 



A collection for Five Guineas, to illustrate the recent works on Geology, by An- 

 sted. Buckland, Lyell, Mantell, Murchison, Page, Phillips, and others, contains 200 

 specimens, in a plain Mahogany Cabinet, with five trays, comprising the following 

 speciaiens, viz. : — 



Mi>'ERALS which are either the components of Eocks, or occasionally imbedded 

 in them— Quartz, Agare, Chalcedony, Jasper, Garnet, Zeolite, Hornblende, Augite, 

 Asbestos, Felspar, 3Iica, Talc, Tourmaline, Spinel, Zircon, Corundum, Lapis Lazuli, 

 Calcite, Fluor, Selenite, Baryta, Strontia, Salt, Sulphur, Plumbago, Bitumen, &c. 



Native Metals, or Metalliferous Minerals; these are found in masses 

 or beds, in veins, and occasionally in the beds of rivers. Specimens of the follow- 

 ing Metallic Ores are put in the Cabinet:— Iron, Manganese, Lead, Tin, Zinc, 

 Copper, Antimonj', Silver, Gold, Platina, Mercury, Titanium, &c. 



Rocks : Granite, Gneiss, Mica-slate, Clay-slate, Porphyry, Serpentine, Sand- 

 stones, Limestones, Basalt, Lavas, &c. 



Pal.eozoic Fossils from the Cambrian, Silurian, Devonian, Carboniferous, and 

 Permian Kocks. 



Seco>dary Fossils from the Ehsetic, Lias, Oolite, Wealden, and Cretaceous 

 Groups. 



Tertiary Fossils from the Plastic Clay, London Clay, Crag, &c. 



In the more expensive collections some of the specimens are rare, and all more 

 select. 



JAMES TENNANT, Mineralogist (by Appointment) 

 to Her Majesty, 149, Strand, London, W.C. 



