North London Natural History Society.— Meetings held at Room 20, Salisbury 

 House, Finsbury Circus, E.G., at 7 p.m., on the second and fourth Tuesdays in the 

 month. — Secretary, R. W. Bobbins, " Tonah," Hale End, Chingford. 



Lancasiiire and Cheshire Entomological Society. — Meetings at the Royal Institu- 

 tion, Liverpool, on the 3rd Monday in the month from October to April. Hon. Sec, 

 H. R. Sweeting, 2, Halkyn Avenue, Sefton Park, Liverpool. 



FOR SALE. THE FOLLOWING RARE AND IMPORTANT 

 ENTOMOLOGICAL WORKS AND PAMPHLETS. 



Insect Galls, by Fannie A. Stebbins. Demy 8vo.,.with 32 fuUpage halftone plates s. d. 

 Bibliography. Bound in cloth, gold-lettered . . . . . . . . ..50 



Revision of the Bleodiini, by Frank E. Blaisdell. Bound in cloth, gold-lettered, 

 524pp*, good Index, 13 fullpage plates of genitalia and early stages, with 

 several text-figures . . . . . . . . . . . . . . . . . . 10 



Early Stages of Carabida;, by George Dimmock and Frederick Knab. Demy 8vo. ' 



Four full-page plates and Bililiography. Bound in cloth, gold-lettered . . 6 



Dragonfly Nymphs, by James G. Needham. Demy 8vo., with 7 full-page process 



plates and several figures. Bound in cloth, gold-lettered . . . . ..60 



Aleyrodids of California, by Florence E. Bemis. Demy Svo., with 11 full-page 



plates. Bound in cloth, gold-lettered . . . . . . ..50 



Origin of Wings of Coleoptera, by W. L. Tower. Demy 8vo., splendidly illustrated 



with 7 double demy plates and Bibliography. Bound in cloth, gold-lettered 7 6 



Genealogic Study of Dragonfly Wing Venation, by James G. Needham. Demy 

 8vo., with 24 full-page process plates and 44 figures. A most important 

 work. Bound in cloth, gold lettered. .. .. .. .. .. . . 10 



Revision of American Siphonaptera, by Carl F. Baker. Demy 8vo., with 17 full- 

 page plates, complete Bibliography, &c. Bound in cloth, gold-lettered . . 7 6 



Entomologists seeking hooks a7id pamphlets are invited to send their lists of desiderata. 



Orders for the above to A. H. 41, Wisteria Road, Lewisham, 8.E. 



IN PARTS-ONE SHILLING. 



A NATURAL HISTORY 



OF THE 



BRITISH BUTTERFLIES, 



THEIR WORLD-WIDE VARIATION AND DISTRIBUTION. 



Vol. IV. 



Commencing with the Variation and Life-histories of Agriades coridon&nA Polyommatus 

 icarus (with four plates of the named aberrations and varieties of the first-named species 

 together with many photomicrographs of larval and pupal structure. Similar plates of 

 P. icarus are awaiting publication.) 



Probably the finest life-histories of any species of lepidoptera ever published. The next 

 species to be treated is Aricia astrarche, a still more interesting one with regard to its 

 Varieties and Aberrations. 



Subscription for 20 parts 17s. 6d. 



Dear Sir, — 



Herewith I forward Postal Order for 17s. 6d., being my subscription for the next 20 

 parts (Vol. IV.) of A Natural History of the British Butterflies. 



Name 



Address 



To J. HERBERT TUTT, 119, Westcombe Hill, Blackheath, S.E. 



