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. Coccids and Aphides. .3. Orthoptera. 4. Odonata. 

 5. Lepidoptera. 6. Coleoptera. 7. Uiptera. 8. Social Insects — Hymenoptera, Ter- 

 mites. 9. Fnial 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 exhaustivply with all the views brought forward by scienbists to account for the 

 forms of melanism and melanofliroism ; 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 especiiilly 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/tJ. 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. 



The place for NEW FOREST OVA, LARY^, and (bred) 



IMAGINES is 



£*. SWORRiSf Entomologist, Brockenhurst. 



Send stamped addressed envelope for Lists. 



Commissions executed in all orders. Foodplants for larvas supplied weekly. 



Day or night excursions accompanied. 



PHOTOGRAPHY. 

 DEVELOPING THEOL CARTRIDGES. 



A new and Original Combination, prepared especially for the Development of Plates. 

 Films, Bromide, and Gaslight Papers. Yields Crisp Clean NEGATIVES with good 

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Preferable to all others for simplicity and efficiency. Each cartridge makeJS concentrated 



developer, which only requires diluting wiih water to produce any desired effect. 



May be used repeatedly. Does not fog or stain. Will keep in any climate. Invaluable to tourists. 



In boxes containing sufficient to make 50-ozs., Price Is. 6d. 



'^tf/S/rom'' The Theol Manufacturing Co., 21, Morley Rd., Lewisham, S.E. 



