REVISED PRICES FOR BACK VOLUMES. 



1st Sebies, 1864-1889.— Parts, 3/6 net each ; Volumes, 22/6 net, 

 Vole. 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. 



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

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



3rd Series, Vol. 1 (1915).— Parts, 2/6 net each ; Vols. 17/6 net each, 



bound 3/6 extra. 



„ 2 (1916).— 



„ 3 (1917).— 



„ 4 (1918).— 



„ 5 (1919).- 



„ 6 (1920).— 



2/6 net each ; Vols. 17/6 net each, 

 bound 3/6 extra. 



2/6 net each ; Vols. 17/6 net each, 

 bound 3/6 extra 



2/6 net each ; Vols. 17/6 net each, 

 bound 3/6 extra. 



2 6 net each ; Vols. 17/6 net each, 

 bound 3,6 extra 



2;'6 net each ; Vols. 17/6 net each, 

 bound 3/6 extra. 



Subscription for 1921 (payable in advance), 15/- net, jJosf 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 



