REASONS. 79 



siderable number of other insects, but as this is 

 a work not intended for that purpose it would 

 only cause confusion. What I have already said, 

 is merely to show to those wholly unacquainted 

 with the various changes the insects go through, 

 that the apple-fly is by no means extraordi- 

 nary, when we look at the different changes of 

 all these wonderful insects ; in fact, it is said 

 by some naturalists, that many of those grubs 

 which we find underground, go through four or 

 five different changes before they become 

 winged. 



THE REASON FOR BRINGING OUT THE COMPO- 

 SITION TO PREVENT THE CANKER, &C. 



Par. 95. I now feel it but just to state to 

 my readers, that having completed my experi- 

 ments, and found them to answer my most san- 

 guine expectations, I made bold to write to the 

 Earl of Liverpool, offering the discovery to 

 government; but on a subsequent interview 

 with T. Brooksbank, Esq. at Fife House, (his 

 lordship's secretary,) he said, before government 

 could notice it, it would be necessary to have 

 strong proofs of its utility from the public. I 

 therefore prepared a quantity of the composi- 

 tion, and made it up in packets at one shilling, 

 one shilling and ninepence, and five shillings 

 each, thereby giving every one, at a trifling ex- 



