Exchange. — I am desirous of obtaining butterflies from the Malayan Archipelago, and 

 the Pacific Islands. For such I offer perfect diurnals from North and South America, 

 North American Coleoptera.— -Levi W. Mengel, Boys' High School, Reading, Pa., U.S.A. 



Wanted. — Erycinidae of the world. Offer for same Diurni from United States. — 

 Levi W. Mengel, Boys' High School, Reading, Pa., U.S.A. 



Parasitical Diptera wanted. — Will lepidopterists who may breed any dipterous 

 parasites from larvae or pupae kindly forward such as they do not require to me ? If so I 

 shall be greatly obliged. — C. J. Waimuright, 2, Handsivorth Wood Road, Handsivorth, Staffs. 



Change of Address. — Dr. R. Hamlyn-Harris to The Grammar School, Tooicoomhu, 

 Queensland, Australia. 



MEETINGS OF SOCIETIES. - 



Entomological Society of London. — 11, Chandos Street, Cavendish Square, W., 

 8 p.m. Meetings : October 5th, 19th, etc. 



The City of London Entomological and Natural History Society. — London 

 Institution, Finsbury Circus, E.G. — The first and third Tuesdays in the month, at 7.30 

 p.m., except in July and August. 



Toynbee Hall Natural History Society. — Held at Toynbee Hall, Commercial 

 Street, E., Mondays, at 8 p.m. October 3rd (Miss C. Von Wyss), November 7th (Mr. F. 

 W. Rudler), December .5th (Rev. F. Morice). Excursions: September 18th, Dorking, 

 London Bridge, 10.8 a.m. ; October 1st, Esher and Oxshott, Waterloo, 9.30 a.m. ; October 

 23rd, Burnham Beeches, Paddington. 10.15 a.m. 



The South London Entomological and Natural History Society, Hibemia 

 Chambers, London Bridge. — The second and fourth Thursdays in each month, at 8 p.m. 

 September 22nd. October 13th and 27th. 



North London Natural History Society, Hackney Technical Institute, adjoining 

 Hackney Downs Stations, G.E.R. — Meetings: — September 27th, " Variation and Death 

 in relation to Natural Selection," by A. W. Bacot, F.E.S. October 4th, 11th, 18th, 25th, 

 " Pocket box and Microscopical Exhibition." November 1st and 8th, " An entomological 

 trip to British Guiana," by W. J. Kaye, F.E.S. November 18th, 22nd, " Notes on the 

 Acidaliae," by L. B. Prout, F.E.S. Excursions : September 24th, Epping Forest, Liver- 

 pool Street, 2.41 p.m. 



THE PTEROPHORINA OF BRITAIN. 



By J. W. TUTT, F.E.S. 



A few copies of this book having unexpectedly come to hand from the original 

 publisher, they are offered, so long as they last, at the published price of 5s. per volume . 

 J. Herbert Tutt, 119, Westcombe Hill, Blackheath, S.E. 



TO BOOKSELLERS, LIBRARIANS, AND STUDENTS. 



GREAT BARGAIN. 



A Complete Set of 



The Entomologist's Record & 



Journal of Variation. 



VOLS. I.=XV.— New and Uncut. 

 Price £4 10s., or with 13 special indexes, £5. 



Also a Set of 



The British Noctuae and their Varieties. 



By J. W. TUTT, F.E.S. 

 VOLS. I. = IV.— New and Unused. 



Price £1 2s. 



A saving of more than 25 i^er cent, on the lowest published prices. 



A. H., 41, Wisteria Road, LE WISH AM, S.E. 



