Lieutenant-Colonel Prain, 
Director, 
Royal Botanical Gardens, 
K E W, London. 
Dear Sir, 
ro xnstruction in "Mature otudy" . 
I understand that the authorities of the Gardena issue 
material to assist in giving instruction in "Nature Study" in 
Schools. I should be glad if you could favour me with par¬ 
ticulars of what materials you have, and at what price these 
can be obtained. 
I an. 
