ADVEETISEMENTS 



T. ROSS, 



(Son and Successor of the late Andeb-w Eoss,) 



. O I^* T I O I -A. i<r, 



KespectfvJly informs the puhlic that Miceoscopes, Tblbscopks, 

 Photogeaphic Lenses, etc., etc., of the most perfect description, 

 may be obtained as heretofore, at the old Establishment, 



2 & 3, FEATHERSTONE BUILDINGS, HIGH HOLBORN, 



LONDON, W.C. 



Catalogues may be had on application. 



MICROSCOPES AND TELESCOPES. 



NEWTON'S STUDENTS' ACHEOMATIC 

 MICROSCOPE, in Case, with two sets of Achromatics, Con- 

 denser on Stand, magnifies 65,000 times, £4 4». Compound Micro- 

 scope, with ScTen Powers, magnifies 20,000 times, £2 15»., ditto, 

 lOj. 6d., 16»., and 18». 6i. each. ACHROMATIC TELES- 

 COPES, 10». to £2. Ditto for India, Deer-stalking, etc., of very 

 great power, to show Jupiter's Moons, in Black Leather Sling- 

 casps, £3 3«. each. 



MAGIC-LANTERNS AND DISSOLVING VIEWS. 



NEWTON'S IMPEOVED PHANTASMA- 

 GORIA LANTERNS, with Lenses 3^ inches diameter, to 

 show a picture 9 feet in diameter, suitable for Schools and Lec- 

 tures, £3 3s. DISSOLVING VIEW Apparatus, consisting of 

 a pair of 3J-inch Lanterns, £8 89. MA.GIO LANTERNS, with 12 

 Slides, from Is. M. each. A most extensive assortment of Sliders, 

 Views, Buildings, Natural History, Astronomical, Missionary, and 

 other subjects. 



ILLUSTRATED PRICE-LIST FOB THREE STAMPS, 



NEWTOM & CO., 



Uannfactnring Opticians, 3, Fleet Street, Temple Bar, London. 



MINEBALOGY AND GEOLOGY.— Practical 

 Instruction is given in these interesting branches of Science 

 by Mr. TENNANT, Geolosrist, 149, Strand, W.C. Mr. Tknnant 

 can supply Elementary Collections and Separate Specimens of 

 Shells, Jlinerals, Rocks, and Fossils ; also. Geological Maps, 

 Models, Diagrams, Hammers, Blowpipes, Acid Bottles, Magnifying 

 dlasses. Glass-top Boies, and Microscopic Ob.iects ; and all recent 

 Works on Conchology, Chemistry, Mineralogy,Botany, and Geology. 



MR. MACKIE'S NEW GEOXiOGICA]!. WORK. 



This day is published, crown 8vo, Illustrated, price 5»., 



rPHE FIEST TEACES OF LIFE ON THE 



L , EARTH; or. The Fo-ssils of the Bottom Rocks. By S.J. 

 Mackik, F.G.S., F.S.A., etc., etc. 



COMTEITTS. 



THE NATURE OF FOSSILS. 



VALUE OF FOSSILS. 



ORDER OF THE ROCKS. 



WHAT WE KNOW OF THE EARTH'S CRUST, 



THE ROCK-STRATA —THEIR TEACHINGS. 



REMNANTS OF THE FIRST LANDS. 



THE BOTTOM ROCKS. 



FIRST TRACES OF LIFE. 



London: Qboombbidgb & Soirs, S, Paternoster Bow. 



FARADAY'S JUVENILE CHRISTMAS LECTURES. 



Just Published, Foolscap Svo, price 3», M., 



LECTURES ON THE PHYSICAL FORCES, 



Delivered to a Juvenile Auditory at the Royal Institution, by Pro- 

 fessor FARADAY. Edited by William Ceookbs. With numer- 

 ous Illustrations. 



London and Glasgow : Richabd Gbibfin & Co, 



PHOTOGRAPHY, 



BEST AND CHEAPEST HOUSE. 

 T SOLOMON, WHOLESALE OPTICAL 



tl • AND PHOTOGRAPHIC WAREHOUSE, 22, Red Lion 

 Square, London. 



Catalogues free on Application. 



CURIOSITIES, ANTIQUITIES, 



pABINET 8PECI. 



\J MENS in Natural His- 

 tory and Geology, Fossils, 

 Shells, Models, and almost 

 every Article of Domestic use 

 or Ornament. 



JACKSON'S CEMENT 



It surpasses in Neatness 

 and in Strength, and in cheap- 

 ness, and retains its virtues 

 in all climates. 



Sold by Reeves & Sons, 

 113, Cheapside, London ; 

 Duncan, Flockhabt, & Co., 

 Edinburgh; Jackson, West- 

 i.AND, & Co., Dublin; and 

 most Chemists, Funcy Sta- 

 tioners, etc. ; and Wholesale 

 by the usual Trade Houses. 



A Sample Bottle, per Post 



'for broken china? 



(^class, earthen ware,>j 



/ornaments, toys, &C. 



>iN BOTTLES AT 6o.&lt. 



^cfoL&^^cryi.' 



This Device ,s print, d on the Wrapper Free, for U Stamps from the 

 ofevcryBottle'oftheGenuineArticle. ^;°XltJr. ^'■^""^^"'^^^^ 



TO NATURALISTS AND SCIENTIFIC 

 TOURISTS. 



MESSES. GEOEGE KNIGHT & SONS, 

 2, FOSTER LANE, LONDON, supply Geological and Miner- 

 alogical Hammers, Pocket Compasses, Magnifying Glasses, Butter- 

 fly and Dredging Nets, Entomological and Botanical Collecting 

 Boxes, and every other requisite for collecting and preserving ob-. 

 jects of Natural History. 



Messrs. Knight & Sons also Manufacture and Sell every de- 

 scription of Photographic Apparatus, including Cameras fitted with 

 Voigtlander'a New Orthoscopic Lens, especially suited to supply 

 the wants of the Photographic Tourist. 



Geoegb Knight & Sons, 2, Foster Lane, London. 



Imperial IGmo, cloth gilt, price Ss. Gd., 



A WORLD OF WONDERS REVEALED 

 BY THE MICROSCOPE. 



A BOOK FOR YOUNG STUDENTS. 



By the Hon. Mrs. WARD. 



With Coloured Illustrations, delineating 130 Microscopic Objects. 



Wings of Insects— Wings and Scales of Moths and Butterflies- 

 Scales of Beetles and Fishes— Hairs of Animals— Human Hair- 

 Down of Birds— Hairs of Insects— Structure of a Feather— Sections 

 of Limestone— Mineral Productions— Structure of the Crystalline 

 Lens— Section of the Eve— Eyes of Insects— Feet of Insects— Petal 

 of Geranium— Pollen of Flowers— Grain— Claws of Si^ider— Foot of 

 Butterfly — Seed Vessels of Ferns, 



London ; Geoombeidoe & Sons, 5, Paternoster Row. 



