CONTENTS (continued). 

 January 30, 1873. 



PAGE 



I. Note on the Origin of Bacteria^ and on their Relation to the Process of 



Putrefaction. By H. Charlton Bastian, M.D., F.R.S 129 



II. On Just Intonation in Music ; with a description of a new Instrument for 

 the easy control of all Systems of Tuning other than the ordinary equal 

 Temperament of Twelve Divisions in the Octave. By R. H. M. Bosan- 

 qtjet, Fellow of St. John's College, Oxford 131 



III. On the Composition and Origin of the Waters of a Salt Spring in Huel Seton 

 Mine, with a Chemical and Microscopical examination of certain Bocks in 

 its vicinity. By J. Abthtte Phillips, Mem.Inst.C.E 132 



List of Presents 134 



On some Properties of Anhydrous Liquefied Ammonia. By Gr. Gore, F.R.S, 140 



CATALOGUE OF SCIENTIFIC PAPERS. 

 Vol. VL, completing the Work, is published. 

 Vols. I.-VI. are always on sale. 



TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET. 



