The Editor requests that contributors will bear in mind the POPXJLA.E, 

 character of The Geologist, and endeavour to make their articles explicit 

 and intelligible to general readers. 



Students or others wishing for information on particular points of 

 Geology, or for explanation of Geological terms and phrases, are requested 

 to address their questions to the Editor of The Geologist. Answers 

 will be given to them in the ensuing number of the Magazine. 



Specimens, books for review, and parcels for the Magazine, to be 

 addressed to The Editor of the Geologist, care of Mr. "William Allen, 

 Advertising Agent, No. 2 Catherine Street, Strand, London, "W.C, to 

 whom all advertisements should be addressed. Books and Parcels will 

 be received by Messrs. Reynolds & Co., 15 Old Broad Street, City. 



Letters and communications by Post can be addressed to the Editor's 

 residence, 17 Park Terrace, Clapham, London (S.) 



Should any difficulty be experienced in procuring The Geologist, it 

 may be removed by application to the Editor. 



CORRESPONDENTS. 



CJommunications have been received from Prof. J. Morris ; Mr. T. Rupert Jones ; 

 Dr. Watson; S. H., Huddersfield ; C. Evans, Hampstead ; Amator Naturae, 

 Cavendish Square ; J. H. B. ; Mr. J. Cury ; T. A. R. ; Mr. Jameson ; W. R. ; 

 A. B. C. ; Mr. J. Brown, of Stanway ; D. R. ; and 0. N. 



BOOKS RECEIVED. 



"Essai sur les Animaux Domestiques des Ordres inferieurs," Par Dr. T. L. Phipson. 



Bruxelles et Paris. 1857. 

 " De la Phosphorescence en general, et des Insectes Phosphoriques en particulier," 



par Dr. T. L. Phipson. J. B. Tircher, Bruxelles. 1858. 

 " Voices from the Rocks." 



" Rules of the Oswestry Naturalists' Field Club." 

 " Rules of the Malvern Field Club." 

 " The Worcestershire Journal." 

 " The Mining Journal." 



SCALE OF CHARGES FOR ADVERTISING IN THE GEOLOGIST " :— 



£ s. d. £ s. d* 



10 Lines and under - - - 0 5 0 A Page - 10 0 



Half-a-Page 0 10 6 Bills which do not exceed 4 Pages 1 10 0 



3-4ths of a Page - - - - 0 16 0 Ditto ditto 8 Pages 2 2 0 

 Advertisements should be delivered not later than the 20th of each month. 



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

 -■- _ Tennant, F.G.S., v^ill give a Course of Twelve Lectures on Geology, having 

 especial reference to the application of the Science to Engineering, Mining, Archi- 

 tecture, and Agriculture. The Lectures commenced on Friday Morning, April 16th, 

 at Nine o'clock. Fee, £1 lis. 6d. 



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



"DRITISH FOSSILS.— A Catalogue of British Eossils, by John Morris, 

 F.G.S,, comprising the Genera and Species hitherto described, with references to 

 their Geological distribution and to the localities in which they have been found. 

 This work forms a Complete Index to the publications of the Palgeontographical Society, 

 Geological Society, and other valuable works. Second Edition, price 12s. London: 

 J. Tennant, 149 Strand ; Taylor and Francis, Red Lion Court, Fleet Street. Copies 

 in sheets for interleaving ^rice 10s., (post free,) to be had of J. Morris, Kensington. 



