FINE HEALTHY LARY^flS. 



Per dozen. — Cardamines, Is.; Rhamni, Is.: lo, 9d.; Paphia, Is. 3d.; ^geria, Is. 3d.; 

 Tithonus, 9d.; Adonis, Is. 6d.; Ocellatus, Is. 3d.; S. populi, 9d.; Tilise, Is. 6d.; Carpini, 

 9d.; Lacertula, 9d.; Falcula, 6d.; Vinula, Is.; Camelina, 9d.; Dictaea, !•.; Ziczac, Is,; 

 Opima, Is.; Croceago, 28.; Illustraria, 9d,; Autumnaria, Is.; Fuscantaria, Is. 3d.; 

 Lunaria, 3s.; Zonaria, Is.; and many others. 



Pupae. — Per each. — Paphia, 2Jd.; bred from Valezina, 6d.: Sibylla, 3Jd.; Andreni- 

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 5d.; and many others. Full list on application. 



NEWMAN'S RELAXING TINS, 2s. 4d. and 3s. lid., each, post free. 

 WANTED. — Many Ova, Larvae, and Pupae. Liberal Exchange or Cash. 



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 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," <fec., 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, Tutt's series of papers on ' Melanism and Melanochroism,' " 



Practical Hints for the Field Lepidopterist. 



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



Parts I, II and III (interleaved for Collector's own notes). Price (for the three parts) 

 £1 net. Separately— Part I, 9/- ; Part II, 6/- ; Part III, 6/-, 

 This work contains about 4000 Practical Hints of the form so well known ; together 

 with a General and Specific Index to Parts I, II and III, by H, J, Turner, F,E,S, ; also 

 chapters on Preservation, Mounting and Photographing Eggs, by F, Noad Clark and A, E, 

 Tonge ; also chapters on Collections, Collecting, Collectors, the Egg and Egg-stage, the 

 Larva and Larval stage, the Pupa and Pupal stage; with model descriptions and hints 

 for useful records, the whole illustrated by seven carefully executed plates, making this the 

 most important work on the subject ever offered to the field lepidopterist. An Encyclo- 

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

 IN PARTS— ONE SHILLING. 



A NATURAL HISTORY OF THE BRITISH BUHERFLIES, 



THEIR WORLD-WIDE VARIATION AND DISTRIBUTION. 



Vol. IV. 

 Commencing with the Variation and Life-history of Agriadet coridon (with four plates of 

 the named aberrations and varieties of this species together with many photomicrographs 

 of larval and pupal structure). 



Probably the finest life-history of any species of lepidoptera ever published. The ntit 

 species to be treated is Polyommatus icarus, a still more complicated one with regard to 

 its Varieties and Aberrations, 



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