ZOOLOGICAL WORKS, including Entomology, Ornithology, 

 Conchology, Botany, etc., very moderate prices. A few 

 good varieties — albinos, etc. — of British birds. Also British and 

 tropical Lepidoptera, Coleoptera, living pupae, etc. 



Lists: A. FORD, South View, Irving Rd., Bournemouth, Hants. 



NOW READY. Demy 8vo, Cloth extra, 276 pp., Three Coloured and 

 Eight Uncoloured Plates, with Diagrams in the text. 



VIGOUR AND HEREDITY 



BY 



J. LEWIS BONHOTE, M.A., F.L.S., F.Z.S. 



Price iOs. 6d. net. 



ADLARD & SON and WEST NEWMAN, Bartholomew Close, London, EX. 



PUBLISHERS' NOTICE. 



Contributors will kindly note that Articles, Communications, and 

 matter for review should be addressed to the Editor, c/o the Publishers, 

 Messrs. Adlard & Son and West Newman, Bartholomew Close, 

 London, E.C. (Temporary Address : 76, Newgate Street, E.C) 



Subscriptions (12s. post free) and all other remittances, orders for 

 binding cases (Is. 8d. post free), and Advertisements should be sent to 

 the Publishers. 



TERMS FOR REPRINTS. 



Six copies of the Journal are presented to Authors of Articles con- 

 tributed. If additional copies of Articles are required they can be obtained 

 from the publishers at the following rates, provided the order be given 

 when returning proofs. 



Per 4 pages or less, in plain paper covers: 25 copies, 4s. ; 50 copies, 5s. ; 

 75 copies, 6s.; 100 copies, 7s.~ Printing title on cover, 5s. extra. Plates 

 will be supplied at moderate cost. 



TERMS FOR ADVERTISEMENTS. 



£ s. d. 



Whole Page 1 10 



Half Page 18 



Every additional line, 8d. Special terms for a Series 





£ 



s. d. 



Quarter Page 







10 



Five lines or under 







3 6 



