PRACTICAL GEOLOGY.-KING'S COLLEGE, LONDON. 

 PROFESSOR TENNANT, F.G.S., will give a COURSE OF LECTURES 

 ON GEOLOGY, having especial reference to the application of the Science to 

 Engineering, Mining, Architecture, and Agriculture. The Lectures will commence 

 on Wednesday, April 22, at 9 a.m. They will be continued on each succeeding 

 Wednesday and Friday at the same hour. Fee £1 lis. 6d. 



R. W. JELF, D.D., Principal. 



GEOGRAPHERS and TOURISTS derive additional pleasure in their 

 rambles by being acquainted with Minerals, Rocks, and Fossils. Mr. TENNANT, 

 Geologist, 149 Strand, London, has had thirty years' experience in giving PRACTICAL 

 INSTRUCTION to Ladies and Gentlemen ; and from his extensive collection, comprising 

 many thousand specimens, persons are enabled in a dozen or twenty private 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. 



MR. J- TENNANT, Geologist, 149 Strand, London, W.C., 



can supply Elementary Collections of Minerals, Rocks, and Fossils, to illustrate the 

 Works of Ansted, Buckland, Jukes, Lyell, Page, and others, on the following terms :-— 



100 Small Specimens, in Cabinet with Three Trays £2 2 



200 Specimens, larger, in Cabinet with Five Trays 5 5 



300 Specimens, larger, in Cabinet with Eight Drawers 10 10 



400 Specimens, larger, in Cabinet with Twelve Drawers 21 



More extensive Collections, either to illustrate Mineralogy or Geology, at 50 to 500 Guineas 

 each, with every requisite to assist those commencing the study of these interesting branches 

 of Science, a knowledge of which affords so much pleasure to the traveller in all parts of 

 the world. 



In the more expensive Collections some of the specimens are rare, and all more select. 



AN EXTENSIVE AND VALUABLE COLLECTION OF MINERALS 

 AND FOSSILS FOR SALE. 



Containing 3000 specimens in two handsome Cabinets, each containing 45 drawers and a 

 large glass case on the top of each cabinet. Price 2000 guineas. 



Two other Collections, one of Minerals and the other of Fossils, each in a Cabinet con- 

 taining 30 drawers. Price 500 guineas each. 



MODELS OF CRYSTALS IN GLASS AND WOOD, 



To illustrate the section on Crystallography and Mineralogy in " Orr's Circle of the Sciences," 



by the Eev. Walter Mitchell, M.A., and Professor Tennant, F.G.S. 



DIAGRAMS TO ILLUSTRATE LECTURES ON GEOLOGY. 



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

 F.L.S.,&c, Kestoration of the Extinct Animals of the Drift- and Cave-period. Price 12s. 



Just published, a Chart of the characteristic British Tertiary Fossils, stratigraphically 

 arranged, containing 800 figures, compiled and engraved by J. W. Lowry. Price, mounted 

 on linen to fold in case, or mounted on rollers and varnished, 10s. 



A New Chart of Fossil Crustacea, illustrated by upwards of 490 Figures, and accom- 

 panied bv a Descriptive Catalogue. Designed and drawn by J. W. Salter, F.Gf.S., 

 and H. Woodward, F.G.S. Engraved by J. W. Lowry, F.E.G.S. Price 10s. Qd. 



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

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

 Mounted slides of Recent and Fossil Foraminifera, and other Microscopic Objects, can be 

 supplied at Is. each, or 10s. 6d. per dozen. 



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

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

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



SOPWITH'§ GEOLOGICAL MODELS IN WOOD, 



To illustrate the nature of Stratification ; of Valleys of Denudation ; Succession of Coal- 

 seams in the Newcastle Coal-field; Strata of adjacent Lead-mine Districts; the effects pro- 

 duced by Faults or Dislocations ; Intersections of Mineral Veins, &c. ; accompanied with a 

 letterpress description, which can be had separately, price Is. 6d., byT. SorwiTH, C.E. &c. 

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

 Twelve Models, 4 inches square £5 



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. 



A descriptive List of Flint Implements found at St. Mary Bourne ; with Illustrations of 

 the principal types. By Joseph Stevens, Memb. Eoy. Coll. Physicians, London, &c. Price 2s. 



All the recent Works relating to Mineralogy, Geology, Conchology, 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 inter- 

 esting branches of Science by 



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



