80 On Fruit and Fruit Trees. 
eee net 
And as you justly observe, it is not expected that one 
individual may be able to answer all the queries ;_ per- 
haps it may also on the other hand be difficult to pro- 
4. What enemies, assail fruits, and modes of destroying 
them, or guards against them ? 
5. Modes of recovering decayed trees, which are most sub- 
ject to injury, and the best means of preventing diseases or 
decay? 
6. What soils, and what manures or dressings are proper 
for the respective kinds of fruit trees, and their proper as- 
pects: in what situations do they thrive most, and what are 
general causes of injury or decay? 
7. What trees require the tree-knife, and which are best 
left entirely to nature ? 
8. What fruits will bear gathering before maturity, so as 
to ripen in the house, or under other cover; and the best 
mode of preserving ripe fruit for use? 
9. What insects or vermin are enemies to fruit, and the 
means of repelling, or destroying them? 
10. How long since the bitter-rot first seized the Vandever, 
and house apples? Is there any mode of prevention, or has 
situation or soil any influence on the disease ? 
11. Apples generally fell off the trees in great numbers be- 
fore maturity, last autumn near Philadelphia. In many no 
mark of decay appeared. What is the cause of this early fal- 
ling and what the means of prevention ? 
It not being expected that any individual will be ena- 
abled to answer all these queries, it will be seen that it is left 
to each correspondent who will be pleased to attend to them, 
to give information as to that species within his knowledge. 
Communications to the secretary of the society will be grate- 
fully received. 
