INDISPENSABLE TO STUDENT S AND COLLECTORS. 



THE JOURNAL OF CONCHOLOGY 



Contains Descriptions and Figures of New Species and Varieties, Geographical 

 Lists, and Original Articles, dealing with all departments of the science, by the 

 leading Conchologists of the day. — Vol. V. commences January 1886. 



Price 4s. per annum. 

 London : D. BOGUE, St. Martin's Place, W.C. 

 Leeds : TAYLOR BROTHERS, The Steam Colour Printing Works. 



VOLS. I., II., III., & IV. MAY STILL BE HAD. 



The Entomologist's Monthly Magazine. 



Price 6d. monthly, 24 pages 8vo, with occasional Illustrations. 



Conducted by C. G. Barrett, F.E.S., J. W. Douglas, F.E.S., 

 Rev. W. W. Fowler, M.A., F.L.S., R. MacLachlan, F.R.S., 

 E. Saunders, F.L.S., H. T. Stainton, F.R.S., &c. 



This Magazine, commenced in 1864, contains Articles and Notes on all subjects 

 connected with Entomology, and especially on the Insects of the British Isles. 



Subscription 6s. per volume, post free. The volumes commence with the 

 June number in each year. 



The early volumes are out of print, but can be occasionally obtained by pur- 

 chasers of the entire series. In this case the price of vols I. to V. is 10s. per vol. 

 The succeeding vols, (strongly bound in cloth) can be had separately or together 

 at 7s. per vol. 



London : JOHN VAN VOORST, 1, Paternoster Row. 

 N.B. — Communications, &c, should be sent to the Editors at the above address. 



Now ready ) Sz>o, cloth, price 6/- post free. 



LIST OF YORKSHIRE LEPIDOPTERA, 



By G. T. PORRITT, F.L.S. 



Contains copious records of the localities, &c, of the 1,340 species of macro- 

 and micro-lepidoptera known to inhabit the county ; particulars of local variation 

 in species ; with all other necessary information on the subject. 



To be had only from the Hon. Secretaries of the Yorkshire Naturalists' Union. 



WM. DENISON ROEBUCK, Sunny Bank, Leeds ; 



WM. EAGLE CLARKE, 18, Claremont Road, Headingley, Leeds. 



On Monday, February 1st, 1886, was Published, No. I, Price 4d. Monthly, 



THE SCIENTIFIC ENQUIRER. 



Affords a medium through which information on every Scientific Subject may be obtained. It 

 contains Queries, Answers, Short Papers and Notes, Extracts, Correspondence, Sale and Exchange 

 Column. . 



THE JOURNAL OF MICROSCOPY AND NATURAL SCIENCE, 



PUBLISHED QUARTERLY, PRICE 1/6. 



The recognized organ of the POSTAL MICROSCOPICAL SOCIETY, contains interesting 

 articles in every department of Microscopy and the allied Sciences, written by experienced 

 Microscopists and Specialists, and illustrated by Lithographic Plates. It is one of the largest, 

 cheapest, and most widely circulated Journals of its class. 



Special features are " Half-hours at the Microscope with Mr. Tuffen West, F.L.S. , F.R.M.S., 

 etc.;" "Selected Notes from the Society's Note-books." Reviews of new books relating 

 to every branch of Natural Science ; . Correspondence on matters of Microscopic or Scientific 

 interest. Current Notes and Memoranda, " Exchanges," &c. 



Both Journals are edited and published by Mr. Alfred Allen, Hon. Sec. P. M.S. 



London : BAILLIERE, TINDALL & COX, 20, King William St., Strand, W.C 



