Useful Books for Bird-keepers and Aquarists 
PUBLISHED FROM THE OFFICES OF 
EVERY Gée . PRICE 
FRIDAY Birds 30. 
“Aquaria 
orld 
BUDGERIGARS Price By Post 
“The Cult of the Budgerigar ’’ 6/- 
“The Budgerigar in Captivity ’’ (Eighth Edition) 2/- 
“Colour Breeding in Budgerigars ”’ éd. 
“The Budgerigar Breeding and Show Register’’ _1/- 
“‘Dr. H. Duncker’s Book of Budgerigar Matings’’ 3/- 
“The Genetics of the Budgerigar ”’ 5/- 
CANARIES 
“Canary Breeding for Beginners ’’ (13th Edition) 
““White and White-Ground Canaries ”’ 
“* Norwich Canaries ”’ 
“The Border Fancy Canary ”’ 
“The Yorkshire Canary ”’ 
“The Roller Canary ”’ 
“Canary Breeding Room Register ’’ 
FOREIGN 
‘Foreign Birds for Beginners ”’ 
‘* Parrots for Pleasure and Profit ”’ 
BRITISH AND OTHER SPECIES 
“‘ Breeding British Birds in Aviaries and Cages ”’ 
“* Softbills ’’ 
* Mules and Hybrids ’’ 
“ Cage-Birds Hybrids ”’ 
“ Frank Finn’s Manual on Cage Birds ”’ 
AQUARIA 
“The Aquarium ”’ 
*“* Tropical Fish-Keeping ”’ 
** The Terrarium ”’ 
ALSO 
‘Cage Birds’ Annual 
“Cage Birds ’’ Diary 
“Nutshell ’’ Series, comprising 30 booklets, each 
Coloured Plates 
Obtainable from all Newsagents or Direct from the Publishers 
Pouitry Worid Ltd., Dorset House, Stamford St., London, §S.E.1 
Full Catalogue, giving Brief Summary of Contents, will be sent on request 
