rj-EOGRAPHERS, TOURISTS, and EMIGRANTS derive additional plea- 

 ** sure from their rambles by being acquainted with Minerals, Kocks, and Fossils. 

 Mr. TENNANT, Geologist, 149 Strand, London, gives PRACTICAL INSTRUCTION 

 in MINERALOGY and GEOLOGY to Ladies and Gentlemen ; and from his extensive 

 collection, comprising many thousand specimens, persons are enabled in a dozen or 

 twenty lessons to acquire sufficient knowledge to identify all the ordinary components 

 of crystalline and volcanic rocks, and most of the minerals and metals used in the arts. 



TO GEOLOGISTS. 



Mr. TENNANT, 149 Strand, London, W.C., has for sale two handsome Cabinets, measuring 

 9 feet 3 inches long, 2 feet 4 inches wide, and 3 feet 10 inches high; each containing 45 

 drawers, with a Glass Case on the top of each Cabinet, 4 feet 11 inches high, and 15 inches 

 from back to front. One Cabinet is filled with 2600 Minerals, the other with 3400 Fossils. 



The Collection consists of six thousand specimens, many very select. The first Gold 

 Nugget received from Australia, which was exhibited in the Exhibition of 1851, is in 

 the Collection ; it cost £37, and contains about 8 ounces of gold : also a fine series of 

 Diamonds, illustrating crystalline form and colour. The specimens have been used to 

 illustrate the Lectures on Mineralogy and Geology at King's College, London, and at the 

 Royal Military Academy, Woolwich. Price 



THREE THOUSAND GUINEAS. 



Any person wishing to become practically acquainted with the interesting and important 

 study of Mineralogy and Geology will find this a good opportunity to obtain an instructive 

 and valuable Museum, the specimens having been selected with great care. 



Mr. Tennant has other Collections, at one thousand, five hundred, one hundred, down to 

 Students' Collections at fifty, twenty, ten, five, and two guineas each. 



Mr. Tennant is commissioned to sell several highly interesting Collections. 

 A CABINET OF PEARLS AND PRECIOUS STONES, 



WITH DESCRIPTIVE CATALOGUE, 



and the extensive Collection of 



MINERALS, ROCKS, AND FOSSILS, 

 Collected by the late Lord Farnham. 

 Particulars can be had at 149 Strand, W.C. May 1870. 



SOPWITH'S GEOLOGICAL MODELS IN WOOD. 



Sold in Case, bound and lettered to resemble a large folio volume. 

 Twelve Models, 4 inches square £b 



DIAGRAMS TO ILLUSTRATE LECTURES ON GEOLOGY. 



A Coloured Lithographic Print (size 34 by 28 inches) of B. Waterhouse Hawkins's, 

 F.L.S.,&c, Restoration of the Extinct Animals of the Drift- and Cave-period. Pricel2s. 



Six Diagrams of Generic Forms of Foraminifera. Size, three feet by two feet. 

 Price 18.?. for the Six Diagrams, either on paper or linen. They contain Eighty-two Figures. 



Mr. Thomas Hawkins's " Great Sea-Dragons." Containing 30 folio Plates (which 

 form good school diagrams) of the Remains of Ichthyosaurus and Plesiosaurus from the Lias. 

 The Original Specimens are in the British Museum. Price 25s., published at £2 10s. 



A Catalogue of 2000 of the most common Fossils found in the British Isles, being a list 

 of those in the private collection of J. Tennant, F.G.S. Price 2s. 



All the recent Works relating to Mineralogy, Geology, Cuncholcgy, and Chemistry; also 

 Geological Maps, Models, Diagrams, Hammers, Blowpipes, Magnifying Glasses, Platina 

 Spoons, Electrometer and Magnetic Needle, Glass-top Boxes, Microscopic Objects, Brass 

 and Steel Forceps, Acid Bottles, &c, can be supplied to the Student in these interesting 

 and important branches of Science. 



\f ODEL of the first GOLD NUGGET received from Australia in 1851. The 

 !»" original is in the possession of J. Tennant, Mineralogist to Her Majesty, 

 and contains about Eight Ounces of Gold. Price of the Model 3s. 6f7., with glass- 

 topped box to hold it, "is. 6cl, — together, 5s. 



Model of the " Welcome " Gold Nugget, being the largest brought to England 



from Australia : it contained Gold to the value of £8,876. Price of the Model £3 3s. 



A gilt Model can be had, price 2s. Qd., of the Gold Nugget foimd, April 1869, at 



Kildonan, Sutherland. The original contains Tw r o Ounces of gold, and is in the 



possession of the Duke of Sutherland. 



JAMES TENNANT, Mineralogist to Her Majesty, 149 Strand, W.C. 



