FOR SALE. PRICE £40. 



... A SUPERIOR MAHOGANY . . . 



ENTOlVIOLOOICiLI. CABINET, 



Of 40 Interchangeable Drawers. 

 Size 18in. by 16in. Camphor cell all round. Ebony knobs. Sunk panelled sides to 

 carcase. Moulded top and plinth, and enclosed by plate-glass panelled doors. Own make. 



T. GURNEY, 50, The Broadway, London Fields, N.E. 



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," (fee, in 

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

 Entomological Society of London, says, "An especially 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. Tdtt's series of papers on ' Melanism and Melanochroism.' " 



J. HERBERT TUTT, 22, Francemary Road, Ladywell Road, Brockley, S.E. 



Entomological Pamphlets, etc., 



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



CoPi*elation of the results arpived at in recent Papers 



on the Classification of Lepidoptera. Price Is. 6d. 



Reviewing the oval, larval, pupal, and imaginal characters used by 



various Lepidopterists in classification. 

 Notes on the Zygsenidae. Price Is. 6d. An account of the habits, etc., 



of several species of the Alpine Burnet moths. 

 Some considerations of Natural Genera and incidental 



reference to the nature of Species. Price Is. net. 



A detailed consideration of the nature of genera and species. 



Some considerations of the Nature and Origin of Species. 



Price Is. 6d. net. A detailed consideration of the causes that have led to 



specific forms and their isolation. 

 Some results of recent Experiments in hybridising 



Tephrosia bistortata and T. crepuscularia. Price 6d. 



net. Full account of experiments conducted by Dr. Riding and Mr. Bacot 



in hybridising these allied species. 

 The Drinking Habits of Butterflies and Moths. Price Is. 



An interesting essay on the habit as observed in many parts of the world 



and its possible meanings. 

 The Nature of Metamorphosis. Price Is. An essay on the 



nature of the various forms and degrees of metamorphosis in different 



orders of insects. 

 The Scientific Aspects of Entomology. Parts I and IL Is. each 



part, net. Critical review of the various scientific uses to which the work of 



entomologists may be put. 



Protection and Mimicry as affecting the Coleoptera, by 



W. W. Fowler, M.A., F.E.S. Price Is. 



Collecting Noctuidse by Lake Erie (with photograph), by A. Grote, 

 M.A. Price Is. 



Mimicry in Insects, by Boland Trimen, F.E.S. Price Is. ( 



Influence of temperature on insects, by Frederic Merrifield, 

 F.E.S. Price Is. 



The utility of specific characters and physiological cor- 

 relation, by Prof. R. Meldola, F.E.S. Price Is. 



Postal Orders to— A. H., 41 , WISTERIA ROAD, LEWISHAM, S.E. 



