GEOLOGY.— KING^S COLLEGE, LONDON.— PROFESSOR 

 TENJSTANT, F.G.S., commenced a course of Lectures on Geoloj^y, on Friday morning, 

 January 24, at Nine o'clock. They will be continued on each succeeding Wednesday and 

 Friday at the same hour. Fee £2. 12s. Gd. 



E. W. JELF, D.D., Peixcipal. 



MR. TENNANT, GEOLOGIST, 149, STRAND, LONDON, 

 W.C, lias greatly improved his elementary Collections oC Minernls, llocks, and Fossils, 

 which are well suited for scientilic Presents, and can bo supplied on tli(; following terms : — 



100 Small Specimens, in cabinet with three trays £2 2 0 



*200 Specimens, larger, in cabinet with liv(> trays 5 5 0 



300 Specimens, larger, in cabinet with eight drawers .... 10 10 0 



400 Specuncns, larger, in cabinet witli twelve drawers .... 21 0 0 



More extensive Collections, either to illustrate Mineralogy or Geology, at 50 to 100 Guineas 

 each, with every requisite to assist those commencing tlie study of these interestmg branches 

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

 world. 



* A Collection for Five Guineas, which will illustrate ihe ref;M-il works on Geology by Buck- 

 land, Murchison, Lyell, Mantell, Ansted, Pago, and oHkh-s, conliiiiis 200 Specimens, in a 

 Mahogany Cabmet, with five trays, compi'ising the folhjwiug specimens, viz. : — 



MINERALS which aro citlior the components of Rocks, or occasionally imbedded in them : — Quartz, 

 Agate, Clialcedony, Jasper, Grarnet, Zeolite, Hornblende, Augite, Asbestus, Felspar, Mica, Talc, Topaz, 

 Tourmahne, Spiiu'l, Calcarooua Spar, Fluor, Selouitc, Baryta, Strontia, Cryolite, Salt, Sulphur, Plumbago, 

 Bitumen, Jet, AniluT, Coal, etc. 



NATIVE MRTALS, ()r METALLIFEROUS MINERALS: these arc found in masses, in beds, or in 

 veins, and occasionally in the beds of rivers. Specimens ol'tlie following Metallic Ores are contained in 

 the Cabinet : — Iron, Manganese, Lead, Tin, Zinc, Copper, Antimony, Silver, Gold, Platina, etc. 



ROCKS: — Granite, Gneiss, Mica-slato, Clay-slate, Porphyry, Serpentine, Sandstones, Limestones, 

 Basalt, Lavas, Clay, Conglomerate, etc. 



PAL.'EOZIC FOSSILS, j'rom the Llandcilo, Wonlock, Ludlow, Devonian, and Carboniferous Rocks. 



SECONDARY FOSSILS, from the Trias, Lias, Oohte, Wealden, and Cretaceous Groups. 



TERTIARY FOSSILS, from the Woolwich, Barton, and Braoldesham Beds, London Clay, Crag, etc. 



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



EXTENSIVE AND VALUABLE COLLECTION OF MINERALS FOR SALE. 



Me. Tennaxt bought at the Stowc Sale the Duke of Buckingham's Collection of ]\[inerab-, 

 which he has greatly enriched by a Collection of Coloured Diamonds, Gold from Au-iralia, 

 Canada, Wales, etc., and many other specimens of great value and interest. The ( 'oUi l I ion, 

 consistmg of 3000 Specimens, is in two cabinets, each containing thirty drawers, a\ ith a glass 

 case on the top for large specimens, price £2000. 



It is well adapted for any public Institution, or for any Gentleman taking an interest in 

 Mining pursuits or practical Geology. 



SOPWITH'S GEOLOGICAL MODELS, IN WOOD OF DIFFERENT COLOURS. 



Sold in Cases, bound and lettered to resemble large octavo, quarto, or folio volumes. 



Set of Sii Models, 3 ins. sq. £3 0 0 I Twelve Models, 3 ins. sq. £i 0 0 

 The same, 4 ins. sq. 2 10 0 | The same, 4 ins. sq. 5 0 0 



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. "Waltek Mitchell, M.A,, and Professoe Tennakt, F.K.G.S. 



WATERHOUSE HAWKINS'S MODELS OP EXTINCT ANIMALS. 



Scientific and other Institutions can be supplied with Mr. "WAXEEnorsE Hawkins's Geo- 

 logical Hestoeations of the Extinct Animals — Ffe)-(>(h(c(//lc. L/iu(nodon,3Ie(/aIosai()'Hs, 

 Plesiosaurus (two species), Iclithyosaurns, and Ld.liirhil hmUr,), — se ven models, reduced to a 

 scale of one inch to a foot, from those of the Crystal Talaee. I'ri^e to. 5s. Packing case, 

 8s. 6d. cxti*a. 



SIX DIAGRAMS OF THE EXTINCT ANIMALS, by AV. B. H.\,wkins, F.L.S., etc., adapted for 

 Educational Purposes. Size of each Diagram, 40 by 29 inches, in double-tinted Lithography. Price £1. 10s. 



JTust Fahlished. A coloured Lithographic Print (size 34 inches by 28 inches) of "\V. 

 Hawkins's Restouation of Extinct Animals. Price 12s. 



Lateli/ Ptiblished, a Catalogue of 2000 of the most common fossOs 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 lyiineralogv. Geology. Conebology. Chemistry. Zoology-, and 

 Botany; also Guide Books, SeienI ilie Fortraits' Geological :\laps, INbulels. Diagrams. Hammers, 

 Blowpipes, Magnifying Cilasses, Platina Spoons. lOlectronuder and Magiudie Iseedles, Glass-top 

 Boxes, Brass and Sleel Forceps, Acid Bottles, Microscopic Objec ts, etc.. can be supplied to the 

 Student in these interesting branches of Science, by .lAMKS TENNATsT. Mineralogist bj 

 Appointment to Her Majesty, lU), Strand, London, "\\ .C— Practical Instruction in Mineralogy 

 and Gi-ology can bo had. 



