The Entomologist's Monthly Magazine. 



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



Conducted by J. W. Douglas, R. MacLachlan, F.R.S., 

 E. C. Rye, F.Z.S., H. T. Stainton, F.R.S., &c. 



This Magazine, commenced in 1864, contains standard 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 pui- 

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

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

 at 7s. per vol. 



London: JOHN VAN VOORST, i. Paternoster Row. 



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



Ncno ready, Zvo, cloth, price 6/- post free. 



LIST OF YORKSHIRE LEPIDOPTERA, 



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



The list 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 connected with the 

 subject. 



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

 Union. 



WM. DENISON ROEBUCK, 



Sunny Bank, Leeds ; 



WM. EAGLE CLARKE, 



Torquay Terrace, Headingley, Leeds. 



NOW ENLARGED TO TWENTY PAGES. 



THE NATURALIST'S WORLD. 



Illustrated. Price Twopence Monthly. 



"A capital little monthly." Bradford Obsei-ver. 



"Every page is interesting." Midland Gazette. 



The following interesting articles have appeared in the last few numbers : — 

 The Preparation of Rock Sections for the Microscope; Variation in Lepidoptera 

 (with illustrations); The Red Chalk of Hunstanton (with illustrations); The 

 Phenomena of Exuviation in the Brachyura (with illustrations) ; A glance at 

 Spanish Coleoptera (with an illustration) ; The (jnat (with illustrations) ; Butter- 

 cups and Daisies (with illustrations) ; Practical Snail Hunting (with illustrations) ; 

 Notes and Queries, etc., etc. 



Specimen copy sent post free for 2^d. Yearly Subscription 2s. 6d. 



post free. 



Offices: ILKLEY, YORKS. 



London: W. SVVAN SONNENSCHEIN & CO. 



OF ALL BOOKSELLERS. 



