Wanted.— Eggs of insects for photographic and photo-lnicrographic purposes. Will 

 give sender a photograph of any eggs sent. Also any other interesting entomological 

 details — antennte of allied species, &c. — F. Noad Clark, Paddington Infirmary, Harrow 

 Road, W. 



Wanted. — Pupge of Betularia, and var. Doubledayaria, for experimental purposes. — 

 W. Bateson, Merton House, Grantchester, Cambridge. 



MEETINGS OF SOCIETIES. 



Entomological Society of London. — June 6th. The Library is open daily from 

 one to six o'clock p.m. (except on Saturdays, when it is closed at three p.m.), and 

 until ten p.m. on meeting nights. 



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. Members are particularly requested to bring varieties and aberrations for exhibi- 

 tion. Non-members cordially invited. May 15th, Discussion : "Pupae." 



The South London Entomological and Natural History Society, Hibernia 

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

 May 24th, Mr. F. Enoch, F.L.S., F.E.S., Paper: " Another Life History " (Lantern). 



North London Natural History Society, Sigdon Eoad Board School, Dalston Lane, 

 N.E. (close to Hackney Downs Stations, G.E.E.). — Meetings first and third Thursdays in 

 each month, at 7.45 p.m. 



Nonpareil Entomological Society, Mansfield Street, Kingsland. — The First and 

 Third Thursdays in the Month. 



South-Eastern Union of Scientific Societies. — The Congress will be held at 

 Brighton, on Thursday, Friday, and Saturday, June 7th- 9th. Particulars will follow 

 later. — Secretary, Dr. Abbott, 33, Upper Grosvenor Eoad, Tunbridge Wells. 



The British NoctuaB and their Varieties. 



(COMPLETE IN 4 VOLS.), 

 Price Seven Shillings per Volume (to be had separately). 



The four volumes comprise the most complete text-book ever issued on the Nocttjides. 

 It contains critical notes on the synonymy, the original type descriptions (or descriptions 

 of the original figures) of every British species, the type descriptions of all known 

 varieties of each British species, tabulated diagnoses and short descriptions of the various 

 phases of variation of the more polymorphic species ; all the data known concerning the 

 rare and reputed British species. Complete notes on the lines of development of the 

 general variation observed in the various families and genera. The geographical range 

 of the various species and their varieties, as well as special notes by lepidopterists who 

 have paid particular attention to certain species. 



The first subscription list comprised some 200 of our leading British lepidopteriste. 

 The work is invaluable to all working collectors who want the latest information on this 

 group. Contains large quantities of material collected from foreign magazines and the 

 works of old British authors, arranged in connection with each species, and not to be 

 found in any other published work. 



British Butterflies. 



Illustrated. Crown 8vo., Cloth, Gilt. Price 5/-. 



This book consists of 476 pages, contains 10 full-page illustrations, and 45 wood-cuts. 

 There are figures of every British butterfly. Sometimes three or four figures of the same 

 butterfly to illustrate the two sexes, underside and variation are given. The full-page 

 illustrations and most of the wood-cuts have been drawn by the well-known entomological 

 artist, Mr. W. A. Pearce. 



Each British butterfly is described under the following heads : — (1) Synonymy, (2) 

 Imago, (3) Variation, with summarised diagnoses of all described forms, British and Con- 

 tinental, (4) Egg, (5) Larva, (6) Pupa, (7) Time of appearance, (8) Habitat and Distribution. 

 Besides these, there are extended remarks on each of the Tribes, Sub-families, Families, 

 Divisions, and Superfamilies. The descriptions of the " Larvae " and " Pupae " are mostly 

 oi'iginal. There are 282 aberrations and varieties diagnosed, of which 111 are described 

 for the first time. 



At the end of each chapter is a brief summary giving the following information, in 

 tabular form, for each species: — I. Dates for finding (1) the ovum, (2) the larva, (3) the 

 pupa (4) the imago. II. The Method of Pupation. HI. Food-plants. 



The preliminary chapters consist of a series on the structure, <fec., of the Egg, Larva, 

 Pupa, &c. ; also others on practical work — Collecting, Pinning, Setting, Storing, Label- 

 ling, &c. 

 To be obtained from H. B. PAGE, "Bertrose," Gellatly Road, Hatcham, S.E. 



