G. A. BENTALL, 



NATURAL SCIENCE ESTABLISHMENT 

 (ENTOMOLOGY), 



Dudley House, Southampton St., Strand, London, W.C.2. 

 ENTOMOLOGICAL SUPPLIES OF ALL KINDS. 



Any of the following Circulai-s sent without charge : Lists of Apparatus, 

 Books, Pdlaearctic,Indo- Australian, African or American Lepidoptera. 



Orders can now be received for Peat, Glass-Bottomed Boxes, 

 Cork, G-lass Tubes, Carton Boxes, Lined Peat or Cork, 5s. Also 

 New Stock of Setting Boards, Store Boxes, Wood Postal Boxes. 



LEPIDOPTERA PURCHASED FROM ALL PARTS OF THE WORLD. 



REVISED PRICES FOR BACK VOLUMES. 



1st Series, 1864-1SS9. — Parts, 3/6 net each ; Volumes, 22/6 net. 

 Vols. 1 to 25. bound 3/6 extra. 



These can be obtained in many cases in complete Volumes. Many of the 

 single parts can also be supplied separately, Particulars on application 

 to the Publishers. 



2kd Series, 1890-1914. — Parts, 2/6 net each ; Volumes, 20/- net each. 

 Vols. 1 to 25 (Vols. 26 to 50 of the entire Seribs). bound 3/6 extra. 



3rd Series, Vol. ] (1915).— Parts, 2/6 net each ; Vols. 17/6 net each, 



bound 3/6 extra. 



„ 2(191(3).— „ 2/6 net each ; Vols. 17/6 net each, 



bound 3/'6 extra. 



„ 3(1917).— „ 2/6 net each ; Vols. 17/6 net each, 



bound 3/6 extra 



„ 4(1918).- „ 2/6 net each; Vols. 17/6 net each, 



bound 3/6 extra. 



„ „ „ 5(1919).— „ 2 6 net each ; Vols. 17/6 net each, 



bound 3/6 extra 



„ 6(1920).— „ 2/8 net each ; Vols. 17/6 net each, 



bound 3/6 extra. 



Subscription for 192L (payable in advance), 15/- net, post free. 



Cloth cases for binding the 1920 Volume can be supplied at 2/- net, post free. 

 All applications for the above should be made to — 



Messrs. GURNEY & JACKSON, 33 Paternoster Row, London, E.C. 4. 



NATURAL HISTORY. 



We keep in Stock everything required by 



COLLECTORS OF BIRDS' EGGS, INSECTS, 

 PLANTS, Etc, 



CATALOGUES FREE. 



WATKINS & DONCASTER. 36 Strand. London, W.C. 2. England 



