‘TP aie 
Contents. 
A Note on Leaf-Fall us a Oause of Soil Deterioration. By W. LAWRENCE 
Baus, M.A., St John’s College 
Specific Salinity in the Cell Sap of Pure Strains. By W. LAWRENCE 
Bats, M.A., St John’s College : ‘ 
Pre-Determination of Fluctuation. (Preliminary Note.) By W. 
LAWRENCE Batts, M.A., St John’s College ; 
The Ammonia Content of the Waters of Smail Ponds. By J.T. SAUNDERS, 
M.A., Christ’s College 
Optically active substances of simple moleculur constitution. By Professor 
Pore and Jonn Reap, M.A. 
Some further experiments on eutectic growth. By F. E. E. LaAmpLouan, 
M.A., Trinity College, and J. T. Scorv, B.A. 
Note on the detection of Malonic Acid. By Dr H. J. H. Frnvon, Christ’s 
College ; : : ; : ; : : 
On the Resolution of 5-Nitrohydrindene-2-curboxylic Acid. By W. H. 
Miuis, M.A., Jesus College) H. V. Parker, B.A., and R. W. 
Prowse, B.A. ; ; : ‘ H 
Proceedings at the Meetings held during the Session 1913—-1914 
Index to Vol. xvit. 
PLATES. 
Prate |. To illustrate Mr Mines’ paper 
PuatE II. To illustrate Mr Bragg’s paper . 
Puates II] and IV. To illustrate Mr Mines’ paper 
Puate V. To illustrate Mr Fantham’s paper 
Pruates VI and VII. To illustrate Mr Thomas’ paper 
Puates VIII and IX. To illustrate Mrs Arber’s paper 
PuatE X. To illustrate Mr Bennett’s paper 
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