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

 W.C., has {Trcatly improved liis elementary Collc^ctions of Minerals, Rocks, and Fossils, 

 "which are well suited for scientific Presents, and can be supplied on the following terms : — 



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



*200 Specimens, larger, in cabinet with five 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 soienco, 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 the recent works on Geologj' by Buck- 

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

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



MINERALS which are either the components of Rocks, or occasionally imbedded in them :— Quartz, 

 Agate, Chalcedony, Jasper, Garnet, ZeoUte, Hornblende, Augito, Asbestus, Felspar, Mica, Talc, Topaz, 

 Tourmaline, Spinel, Calcareous Spar, Fluor, Selcnite, Baryta, Strontia, Cryolite, Salt, Sulphur, Plumbago, 

 Bitumen, .Jet, Amber, Coal, etc. 



NATIVE METALS, or METALLIFEROUS MINERALS: these arc found in masses, in beds, or in 

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

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



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

 Basalt, Lavas, Clay, Conglomerate, etc. 



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



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



TERTIARY FOSSILS, from the Woolwich, Barton, and Bracklesham 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 MINEEALS FOR SALE. 



Mr. Tennant bought at the Stowe 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 two cabinets, each containing tliirty drawers, with a ghxss 

 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 Six Models, 3 ins. sq. £2 0 0 [ Twelve Models, 3 ins. sq. £4 0 0 

 The same, 4 ins. sq. 2 10 0 | The samp, 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 Peofessok Tennant, F.E.G.S. 



WATERHOUSE HAWKINS'S MODELS OF EXTINCT ANIMALS. 



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

 logical Eestoeations of the Extinct Animals — Pferodacii/Ie, Igvanodon, Meffctlosaitrius, 

 Flesiosaurtis (tw^o species), IchtJii/osattrus, and Lahi/rintJiodon, — 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 EXTINCT ANIMALS, by W. B. Hawkiks, F.L.S., etc., adapted for 

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



Just Published. A coloured Lithograpliic Print (size 34 inches by 28 inches) of "\V. 

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



Lateli/ Published, 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 28. 



All the recent A\^orks relating to IMinondogy, Geology, Conchology, Chemistry, Zoology, and 

 Botan)-; also Guide Jiooks, Scientiilc Portraits, Geological ^iaj)s, ^Models, Diasirams, ilaniiiiers, 

 Blowpijies, Magnilying Glasses, Platina Spoons. Klcctronieter and Magnetic Koedles, Glass-ti>p 

 Boxes, Brass and Steel Forceps, Acid Bottles, Microscopic C)bjects, etc., can be supplied to the 

 Student in these interesting bi-ancbes of vScience, bv JAMES TENNANT, Alint>ralogist bj 

 Appointment to ITer ^lajesty, I IU, Strand, London, ^\ .C. — Practical Instruction in Mineralogy 

 and Gcologj' can be had. 



