... SINGING FUND. [The following letter, as svill be seen by' it 40te, Was Sent to me a good while ago; K but, >6ther strhjoet~. pre'irg for-ward no suitable.ocesajon ~$r insrting t has offere& tlno.It is 'now' hoeer, stil Iniitr6 ' worthy of attention than-it wiotld hae b1t at-a more early pyiod, as, indeed, evej thing relatiog to the subjcctf the -national debt: mnust necessarily ?? writer's ...