EXCHANGE. 



Exchange. — Wanted— Magic Lantern Slides of Insects. Any order, and either eggs* 

 larvae, pupae, perfect insects, or dissections desired. 'Will give Lepidoptera in return, or 

 Cash. — John E. Robson, Hartlepool. 



Duplicates. — Pudorina, Umbrosa, Immutata, Statices, A Cratasgi,* Anachoreta,* etc. 

 Desiderata — Rufina, Lota, Spadicea, Fimbria, Croceago, Citrago, Dahlii, Haworthii, Saucia, 

 Subtusa, Oxyacanthae (dark), Herbida, Rhizolitha, Myrtilli, Parthenias, Verbascalis, etc. — 

 J. W. Tutt, Westcombe Hill, S.E. 



Exchange. — Marine Shells from New Zealand offered for foreign land and fresh-water 

 shells, Microscopic slides illustrating useful or noxious insects, or botanical or entomological 

 lantern slides. — W. A. Gain, Tuxford, Newark. 



Desiderata.— -Ferrugata from all parts of the country. Will pay postage or make a 

 return if in my power. — Louis B. Prout, 12, Greenwood Road, Dalton, N.E. 



Exchange.— Wanted — Living pupae (or empty cases) of Skippers, Psychids, and Hepiali, 

 also larvae and pupae of Elachistas and Elachistids, and pupae or cases of many Tineina 

 and others. Will do anything I can in return. — T. A. Chapman, Firbank, Hereford. 



Exchange. — A few fine Aphodius tessulatus. — B. Tomlin, The Green, Llandaff. 



Exchange. — A few pupae of Bombyx ruhi.— John E. Robson, Hartlepool. 



CHANGE OF ADDRESS. 



W. F. de V. Kane, from Sloperton Lodge, Kingston, to Drumreaske House, near Monaghan, 

 Ireland. 



MEETINGS OF SOCIETIES. 



CITY OF LONDON ENTOMOLOGICAL AND NATURAL HISTORY SOCIETY 

 meets on the First and Third Tuesdays in each month, at the London Institution, 

 Finsbury Circus, E.C., from 7.30 to 9.30 p.m. 



ENTOMOLOGICAL SOCIETY OF LONDON, 11, Chandos Street, Cavendish 

 Square, W. Wednesday, April 5th, 1893, 3-t 7 o'clock in the evening. 



THE SOUTH LONDON ENTOMOLOGICAL AND NATURAL HISTORY 

 SOCIETY, Hibernia Chambers, London Bridge, S.E. Meetings : Second and fourth 

 Thursdays in each month, at 7.30 p.m. 



BRITISH BUTTERFLIES, 



By C. W. DALE, FE S 



With full Bibliography of all the species. Acknowledged to be the best and fullest 



account of the British Butterflies. 



Neatly Bound in Cloth, Six Shillings. 



Post Free from JOHN E. ROBSON, Hartlepool, 



THE INTERNATIONAL 



Journal of Microscopy and Natural Science 



(THE JOURNAL OF THE POSTAL MICROSCOPICAL SOCIETY.) 

 Editor: A. ALLEN \ Hon. Sec. P. M.S. 



Published Quarterly Price One Shilling and Sixpence. 



Contains a number of valuable and interesting articles relating to Microscopy and the 

 Allied Sciences written by Scientists, and Illustrated with Lithographic Plates and Wood 



Engravings^ 



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

 Strand. New York : "The Science Co.," 47, Lafayette Place. 



