242 APPENDIX. 



gregate saving to the industry of the Commonwealth, of over 

 five and a half millions of dollars. Is there a reasonable doubt 

 that more than ten times this one cent per ton will be saved, 

 over any present process, when chemistry has shed its full 

 light on the subject ? 



The magnitude and importance of a small saving in this mat- 

 ter, must certainly have been overlooked by some who have 

 given advice on the subject of making muck compost. 

 Respectfully, 



Your most ob't serv't, 



WILLIAM CLARK, Jr. 

 S. L. Dana, M. D., Lowell, Mass. 



