This Day is published, iiv One Volume Crown Octavo, with 360 Wood- 

 Cuts, Price 12s. Boards, the Second Edition, greatly enlarged, of 

 AN ELEMENTARY INTRODUCTION TO MINERA'LOGY, 

 comprising some Account of the Characters and Elemenls of Mi- 

 ijerals. Explanations of Terms in common use. Descriptions of Minerals, 

 with Accounts of the Places aqd Circumstances in which they are found, 

 and especially the Localities of British Minerals; with upwards of 360 

 Wood Cuts, representing the Forms of Crystals, ^c. printed on the tame 

 pages with the Descriptions of the Minerals. to which they belong. 

 By WILLIAM PHILLIPS, F.L.S. 

 Member of the Geological Societies of London and Cornwall. 

 ^Printed and Sold by William Phillips, George Yard, Lombard Street, 

 London ; sold also by W. and C. Tait, Edinburgh.. — -Of whom also may 

 be had, by the same Author, in One Vol. 12mo. Price 9s. ^i Boan.i$, 



A SELECTION (f FACTS from the best: Authorities, arranged so 

 at to form An Outline of the Geology of England and Wales^ with 

 a Map and Sections of the Strata. 



Also, in One Vol. 12mo. Price 6s. in Boards, the Third Edition of 

 OUTLINES of MINERALOGY and GEOLOGY, intended for the 

 use of those who may desire to become acquainted with tlie Elements of 

 those Sciences, especially of Young Persons. 



On iuesday, ^2d inst. was puLkiislied in Octavo, Price lis., embellished 

 with an additional Copper-pkte Engraving, a new Edition of 



THE CHEMICAL CATECHISM', witli Notes, Illustrations and 

 Experiments. 

 By SAMUEL PARKES, F.L.S. &c. 

 This Edition, wJiich is the ninth, contains a full Account of the new 

 Metals, and other irnportant Discoveries J together with such Alter:;tions 

 and Additions as were found necessary to adapt the Work to the present 

 State of Chemicitl Science. * . 



London : Printed for Baldwin, Cradock and Joy; where may be had the 

 Chemical Essays and other AVorks by the same Author. 



I'his Day is jjublisheo, price 'il. lOj. ^ 



TRANSACTIONS of the GEOLOGICAL SOCIETY. Vol. V. 

 Part I. containing the following Papers : 

 1. On the Island of Salsette. By Stephen Babington, Escj. of the Hon. East Irv- 

 dia Company's Civil Service, Bombay. C'qniinunic.ited by Win. Biibington, M.D, 

 — II Remarks on the Hills of Badacson, Szjgiiget, &c. in Huncjuiy. Hy HicjiarH 

 Bright, M.D. Member of the.Geological Society. — III. isomc Observations on a 

 Series of Specimens presented to the Geological Society by the Hon. H. Grey Ben- 

 net. By Aithur Aikin, Esq. F.L.S. Member of the Geological Society, and Secre- 

 tary to the Society of Arts. — IV. Uemarks ou the Chalk Cliffs in the Neighbour- 

 hood of Dover, and on the Blue Marie covering the Green Sand near Folkstone. 

 With an Appendix, containing some Account of the Chalk Cliffs, &c. on the Coast 

 •f France opposite to Dover. By William I'hillip.i, Esq. F.L.S. Member of the 

 Geological Societv, — V. Remarks on the FossjIs collected by Mr. William Phillips 

 near Dover and I'olkstone. By James Parkinson, Esq. Member of the Geological 

 Society. — VI. Notes accompanying a Set of Specimens from tlic Himalay Moun- 

 taioH. By James Eraser, Esq. of Calcutta. Communicated by Captain Basil Hall, 

 R.N. — VII. ObseVvations on the Valleys and Watercourses of Shropshire and of 

 Parts of the adjacent Counties. By Arthur Aikin, E.'sq. F.L.S. Member of the 

 Geological Society, &c. &c. — VIII. On the Form of the Integtant Molecule of Car- 

 bonate of Lime. By David Brewster, LL.l). F.Il.S. Lond. and Ed. Member of the 

 Geological Society. -^IX. Description of sonic ne^v Fossil Encrini and I'ciitarrini 

 lately discovered in the Neighbourhood of Bristol, By George Cumberland, Esc, 

 Honorary Member of the Geological Society. — X. On the Limestone Beds on the 

 River Avon, near Bristol ; with a Description of the Magnehian Beds that r-'pose 

 on their Bas.ict Edges. By Cieorge Cumberland, Esq. 6n:. ttv. — XI. On the Strata 

 of the Northern Division of Cambridgcshiie. By Franci.H Lu.in, lisq. In a Letter 

 •dressed t6 G. B.Greenough, Esq. Pre>iifent of the Geological Societv. — XII. Me- 

 IBoir on the Geoloi,'ical Relations of the Jiast of Irelajid. By Thomas Weaver, Esq. 



M.R.I.A., Wern. N.Il. iioc, and of the Rt. Hon. and Hon. the Dublin Society. 



XHI, On the Modifications of the Primitive Cryitul of the Sulnhalc of Barjlei. 

 py WUliam PhiUips, ]i.-q. &c. fic. 



