The Migration and Dispersal of Insects- 



BY 



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



Demy 8vo., 132 pp. Price Five Shillings net. 



This book, the only one published on this interesting subject, is of first 

 importance to all students of the geographical distribution of animals, and 

 contains the following chapters : — 



1. General Considerations. 2. Coceids and Aphides. 3. Oi'thoptera. 4. Odonata. 

 5. Lepidopteia. 6. Coleoptera. 7. Diptera. 8. Social Insects — Hymenoptera, Ter- 

 mites. 9. Final considerations. 



Only a very small number of copies has been printed. It is trusted that 

 all entomologists will, besides supporting the book themselves, recommend it 

 to any libraries in which they are interested or with which they are connected. 



Melanism and Melanochroism in British Lepidoptera. 



(Demy 8vo., bound in Cloth. Price 5/-). 



Deals exhaustively with all the views brought forward by scientists to account for the 

 forms of melanism and melanochroism ; contains full data respecting the distribution of 

 melanic forms in Britain, and theories to account for their origin ; the special value of 

 "natural selection," "environment," "heredity,"' "disease," "temperature," &c., in 

 particular cases. Lord Walsingham, in his Presidential address to the Fellows of the 

 Entomological Society of London, says, " An e.specially interesting line of enquiry as con- 

 nected with the use and value of colour in insects is that which has been followed up in 

 Mr. Tutt's series of papers on " Melanism and Melanochroism." 



Woodside, Burnside, Hillside and Marsh. 



Price '2/(). 242 pp. and 103 Woodcuts and full-page Illustrations. 



A series of Entomological Essays based on the insects to be found in various well- 

 known entomological localities. Deals with a great many of the more philosophical 

 subjects now before the entomological public. 



Postal Orders to H. E. Page, " Bertrose," Gellatly Road, Hatcham, S.E. 



FOR SALE, A SUPERIOR 



Mahogany Entomological Cabinet 



Of 40 Interchangeable Drawers. 



Size IBin. by IGin., ebony knobs, sunk panelled sides to carcase, moulded top 

 and plinth, and enclosed by 2 plate-glass panelled doors. Own make. 



Price £40. T. GURNEY, 50, Broadway, London Fields, N.E. 



1300 Species of British Lepidoptera, 2000 Species of Coleoptera, Preserved Larvae, 

 Tropical Butterflies, etc. Very low rates. Selections. Post free on approval. Also' 

 3 Cabinets. 



Apply " Ento," c/o Mr. Page, 



" Bertrose," Gellatly Road, 



New Cross, S.E. 



CEYLON LEPIDOPTERA. 



ALEXANDEll NEWMAN, Katukelle, Kandy, Ceylon, respectfully solicits orders- 

 from Collectors of Lepidoptera. 



Gentlemen are requested to send lists of their desiderata. 



All sijecimens are supplied in the finest condition, and with full data. 



