ADVERTISEMENTS. 



3 



IMPHOYED ACHROMATIC MICROSCOPES for Students, 

 From £3 3 0 



Society of Arts Microscope 3 3 0 



Botanical Microscopes, with compound powers, fitted in mahogany cases, from 

 6s. 6d. and upwards. 



Stanhope and Codington Lenses, Thin Glass Circles and Squares, Plain Glasses, 

 Rings, and Cells of every description, for mounting microscopic objects. Improved 

 Frog Plates and Live Boxes. 



At JOHN WARNER'S Photographic and Philosophical Instrument Manu- 

 factory, 72, Fleet-street, London, E.G. 



FOSSILS DISCOVERED IN THE EXCAVATIONS FOR THE MAIN DRAINAGE. 



TO GEOLOGISTS, NATURALISTS, AND THE PUBLIC. 

 fi HEAT NOYELTY.— NEW STEREOSCOPIC SLIDE. No. T., 

 \J price Is., CYRENA DULWICHIENSIS ; a new and beautiful species of 

 Estuarine Shell, discovered by Mr. Chakles Rickman, Honorary Curator, Lam- 

 beth Museum of Natural History, in Lower Eocene Strata at Dulwich, 60 feet 

 from surface. Photographed from the original, as engraved in the Illustrated 

 London News, Saturday. March 24th, 1860, and Geologist for April. 



Published by J. V/ARNER, Optician, 72, Fleet-street, to whom all orders are 

 to be addressed. 



N.B. — Sent free by post on receipt of 14 postage stamps. 



PRACTICAL GEOLOGY.— King's College, London.— Professor 

 Tennant, F.G.S., will give a Course of TWELVE LECTURES on GEO- 

 LOGY, having especial reference to the application of the Science to Engineering, 

 Mining, Architecture, and Agriculture. The Lectiu^es will commence on Friday 

 Morning, April 20th, at Nine o'clock. They will be continued every Wednesday 

 and Friday, at the same hour. Fee, £1 lis. 6d. 



R. W. JELF, D.D , Principal. 



GEOLOGY and MIJSTERALOGY.— University College, London.— 

 Professor Morris^ F.G.S., commenced a Course of Lectures on PHY- 

 SICAL and DESCRIPTIVE GEOLOGY, and the Application of Mineralogy to 

 Geology and the Arts, on Tuesday, January 31st, To be continued every Tuesday 

 and Thursday, at a Quarter past Four, p.m. Fee, £2 2s. 



FRANCIS W. NEW?*! AN, Dean of the Faculty of Arts. 

 CHAS. C. ATKINSON, Secretary to the Council. 



THE GHOUJ^D BENEATH US. 



THREE LECTURES 



ON 



THE DRIFT AND TERTIARY STRATA OF THE NEIGHBOURHOOD OF 



LONDON. 



8vo, sewed, 3s. 6d. 

 John Van Vooest, 1, Paternoster-row. 



ARCHAIA 



OR, 



STUDIES OF THE COSMOGONY AND NATURAL HISTORY 

 OF THE HEBREW SCRIPTURES. 

 By J. W. DAWSON, LL.D., F.G.S. 



Montreal : R. Dawson & Son. London : Sampson, Low, & Co, 47, Ludgate Hill. 



