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

 W.C, has greatly impivA cd Lis elementai-y Collections of Minerals, Eocks, and Fossils, 

 which are well suited for scicntilic J'rcsents, and can be supplied on the following terms : — 



100 Small Specimens, in cal»not with tlu-ee trays £2 2 0 



*200 Specimens, larger, in cabinet with live trays 5 5 0 



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



400 Specimens, larger, in cabinet with 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 the study of these interesting branches 

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

 world, 



* A Collection for Five Guineas, which will illustrate the recent works on Geology by Buck- 

 land, Murchison, Lyell, Mantell, Ansted, Page, and others, contains 200 Specimens, in a 

 Mahogany Cabinet, with five trays, comprising the following specimens, viz. : — 



MINERALS which are either the coi-nponriif s of TJoclcs, or occasionally imbedded in tliem : — Quartz, 

 Agate, Chalcedony, Jasper, Garnet, Zoolid-. ILji-nl L ii'K', Au','ite, Asbestus, Felspar, Mica, Talc, Topaz, 

 Tourmaline, Spinel, Calcareous Spar, Fluor, Sclciiiic, IJaryhi, vStrontia, Cryolite, Salt, Sulphur, Flumbago, 

 Bitumen, Jet, Amber, Coal, etc. 



NATIVE MKTALS, or METALLIFEROUS MINERALS: the.se are found in masses, in beds, or in 

 veins, and occasionally in the beds of rivers. Specimens of the followinf? Metalbc Ores are contained in 

 the Cabinet : — Iron, Manj^anese, Lead, Tin, Zinc, Copper, Antimony, Silver, Gold, Flatina, etc. 



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

 Basalt, Lavas, Clay, Conglomerate, etc. 



PALAEOZOIC FOSSILS, from the Llandeilo, Wenlock, Ludlow, Devonian, and Carboniferous Rocks. 



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



TERTIARY FOSSILS, from the Woolwich, Barton, and Bracklesham Beds, London Ciay, Crag, etc. 



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



EXTENSIVE AND VALUABLE COLLECTION OF MINERALS FOR SALE. 



Me. Tennant bought at the Stowc Sale the Duke of Buckingham's Collection of Minerals, 

 which he has greatly enriched by a Collection of Coloured Diamonds, Gold from Australia, 

 Canada, Wales, etc.. and many other specimens of great value and interest. The Collection, 

 consisting of 3000 Specimens, is in t^ o cabinets, each containing tliirty ch'awers, with 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 piursiuts or practical Geology. 



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



Sold in Cases, boimd and lettered to resemble large octavo, c^uarto, or folio volumes. 



Set of Six Models, 3 ins. sq. £2 0 0 I Twelve Models, 3 ins. sq. £4 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 Ivcv. Waltee Mitchell, M.A., aiid Pkofessoe Tennant, F.E.G.S. 



WATERHOUSE HAWKINS'S MODELS OF EXTINCT ANIMALS. 



Scientific and other Institutions can bo supplied with Mr. "WATEEnorsE Hawkiks's Geo- 

 logical IvESTOEATiOKS OF THE ExTiNCT Animals — Fterodacti/le, Iguaiiodon, Mcgalosmirus, 

 Plesiosaurns (two species), Iclithyosaurus. and Lahyrinthodon, — seven models, reduced to a 

 scale of one inch to a foot, from those of the Crystal Palace. Price £5. os. Packing case, 

 8s. 6d. extra. 



SIX DIAGRAMS OF THE EXTIKCT ANIMALS, by AY. B. Hawkins, F.L.S., etc., adapted for 

 Educational Pui-poses. Size of each Diagi-am, 40 by 29 inches, m double-tinted Lithography. Price £l.l0s. 



Just Published. A coloured Lithographic Print (size 34 inches by 28 inches) of "NY. 

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



Latelij Pzcblished, a Catalogue of 2000 of the most common fossils foimd in the British Isles, 

 being a list of those in the private collection of J. Tennant, F.G.S. Price 28. 



All llic recent Works relating to Mineralogy, Geolo^, Conchology, Chemistry, Zoology, and 

 Botany; also Guide Books, Scientific Portraits, Geological Maps, Models, Diagrams, Hammers, 

 Blowpipes, Magnifying Glasses, Plalina Spoons, ElectroTueter and Magnetic iS'eedk's, Glass-top 

 Boxes, Brass and Steel Forceps, Aiid Bottles, ^licroscopic Objects, etc., can be supplied to the 

 Student in these interesting branches of Science, by JAMES TEXNAKT, Mineralogist by 

 Appointment to ITer Majesty, 1-19, Strand, London, "W.C. — Practical Instruction in Mineralogy 

 And Geology can bo had. 



