NATURE Bs 
 COMEINS BOCKETT LEVEY 2 
Is acknowledged to be the best for Microscopic Work. See opinions in 
Works on the subject by Dr. Carpenter, Dr. Beale, Jabez Hogg, &c. 
Lamp, 12s. 6¢@. Ditto, with 2} Condenser, Reflector, Green Shade, Two Chimneys, 
and Polished Case, complete, 30s. Superior Finish, qos. 
Ilustrated Catalogue of Microscopes and every requistte, free by post. 
CHARLES *GOLEINS: 
77, GREAT TITCHFIELD STREET, PORTLAND PLACE, LONDON, Ww. 
Post-Office Orders payable at Great Portland Street Office, 
MURRAY AND Hea TE 
69, JERMYN STREET LONDON TSW: 
MANUFACTURERS OF 
OPTICAL, PHILOSOPHICAL, METEOROLOGICAL, CHEMICAL, AND 
PHOTOGRAPHIC INSTRUMENTS 
TO HER MAJESTY THE QUEEN, AND THE GOVERNMENT DEPARTMENTS. 
The Student's Miscroscope, with Two Object Glasses, price £5 55. 
SOLE MAKERS OF EDWARD'S NEW MINIATURE PHOTOGRAPHIC APPARATUS. 
DESCRIPTIONS FORWARDED ON RECEIPT OF ONE STAMP. 
In the Press, and shortly will be published, a new CATALOGUE of OpTiIcAL INSTRUMENTS. 
MICROSCOPIC OBJECTS. SCHOOL OF CHEMISTRY, 
NEW CATALOGUE, 1869, post-free. ae 
FIRST CLASS SPECIMENS, Illstrating every Department 20, GREAT MARLBOROUGH STREET, 
(3) icroscopy. WE; AT 
MOLLER'S DIATOMACEEN TYPEN PLATTE. LONDON, W. 
NOBERI'S BANDS OF LINES. DirEcTED By ARTHUR VACHER. 
Many New and Rare Objects, Prepared and Sold by = bs a a 
EDMUND WHEELER, GEOLOGY AND CONCHOLOGY. 
48n, TOLLINGTON ROAD, HOLLOWAY, LONDON, N. 
- FOR SALE—SECOND-HAND. 
A FULL SIZE BINOCULAR MICRO- 
SCOPE, complete with Mechanical Stage, Rack, Substage, and latest 
| Collections of Marine, Land, and Freshwater Shells, Tertiary, Cretaceous, 
Oolite, Liassic, Carboniferous, and Silurian Fos sils, accurately named. 
Price from 7s. 6d. each series. 
THOMAS D. RUSSELL, 
BRITISH NATURAL HISTORY COLLECTIONS, 
Improvements. Price, including Best English 1-inch Object Glass, Polari- 
scope, extra Jarge Condenser, Spot Lens, and Mahogany Cases, £21. Whittington Club, Arundel Street, London, W.C. 
Apply 53, Monkwell Street, Falcon Street, City. Full Particulars and Catalogue Post-Sree. 
INDEX TO . ADVERTISEMENTS. 
PUBLICATIONS, including SCIENTIFIC SCHOOL | SCHOOLS, &c.— 
BOOKS— PAGE 
PAGE PAGE Mathematics—Mrs. 
Blackwood & Sons .... 5 Wows Sony &: Cord .teccsatee i. 7 Boolemenenteh cc ae 
Meola Ce 338 | SCIENTIFIC INSTRUMENT MAKERS, &c.— 
a PAGE 
Vacher’s School of Chemistry 39 
31 
Bradt & E Ga. || Browning, deg Goproncsoc Skt Ladd, W. i apo <) 
BustieRe J. ee Reliquary (T he) 26 | Collins, C. tereeee 39 Murray & Heath . ooo SiS) 
Chapman & “Hall Smith, Elder, & Co. 2 Crouch, H. Soonoa. is Wheeler, E. socood EC) 
Cassell & Co. . Sathecan Cole tee 40 Gould & Porter . TOpnteEe ey éall Microscope for ‘Sale Banbba ee) 
See 6ccoon & Taibeee 8 Co NATURAL HISTORY COLLECTIONS, &c.— 
De la Rue & Co. ...... 36 Tweedie, W Russell’s Collection .... 39 
Dirr. opel Fs Van Voorst, J 
Groombridge. & Sons: a 32 Walton, J. .. LIBRARIES— 
Griffith & Farran.. 5 Warne & Co : Hotten’s seth ten eicetericts 3| London Cidadhocsdaaddotvoba. «(ai 
Hardwicke, R. .... 32 Whitaker .. - Lewis's. oe ae Mudie’s ...... sreeeeee 3 
Haren Rae ee I Williams & Norgate.. 34, 36 MISCHOLAN EOUS— 
Bragg’s Charcoal . 6 Locock’s Wafers ...... 8 
SCIENTIFIC SOCIETIES and INSTITUTIONS— Cadbury’s Cocoa ...... Hie Pelican Insurance Company. 36 
Royal Society ........ 1 Royal School of Mines .... 38 Jewsbury & Brown ..., 38 Scottish Provident Insurance 36 
ye Mi ya 3 Y 
