THE 



"CLARK COLLECTION "of BRITISH LEPIDOPTERA. 



Tuesday & Wednesday, Dec. 7th & 8th, at 1 o'clock. 



Mr. J. C. STEVENS 



Will Sell by Auction at liis Rooms, 

 38, KING STREET, COVENT GARDEN, LONDON, W.C., 



THE SECOND PORTION of the UNRIVALLED COLLECTION 



Formed by the Late — 



JOHN ADOLPHUS CLARK, Esq., 



M.P.S., L.D.S.Eng., F.E.S., etc. 



Comprising extensive reared series, rare and extinct species, many unique and remark- 

 able varieties, aberrations, local forms and hermaphrodites ; all in the most perfect 

 state of preservation, and representing the life work of the late owner. 

 On view day prior (10 to 4) and morning of Sale. Catalogues on application. 



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. Diptera. 8. Social Insects — Hymenoptera, Ter- 

 mites. 9. Final considerations. 



Only a small number of copies have been printed. It is trusted that ail entomologists 

 will, besides supporting the book themselves, recommend it to any libraries in which they 

 are interested or with which they are connected. 



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



Entomological Pamphlets, etc.. 



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



Goppelation of the results anrived at in recent Papers 



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



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



various Lepidopterists. 

 Notes on the Zygaenidae. 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. Biding 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. Farts I. and II. Ig. each 



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



entomologists may be put. 



Postal Orders to A. H., 41, Wisteria Road, Lewisham, S.E. 



