NOTICES. 
1. Applications for complete sets of the first Seventeen 
Volumes (in Parts) of the Transactions should be made to the 
Secretaries of the Society. 
2. Separate copies of certain parts of Volumes I. — XI. of the 
Transactions may be had on application to Messrs Bowes & 
Bowes or Messrs Deighton, Bell & Co., Cambridge. 
3. Other volumes of the Transactions may be obtained at 
the following prices: Vol. XII. £1. 10s. 6d. ; Vol. xm. £1. 2s. 6d . ; 
Vol. xiv. £1. 17s. 6cl. ; Vol. xv. £1. 12s. 6d. ; Vol. xvi. £1. 10s. 0 d.\ 
Vol. xvii. £1. 2s. 6d; Vol. xvm. £1. Is. 0 d.\ Vol. xix. £1. 5s. 0 d . ; 
Vol. xx. £1. 10s. 0 d . ; Vol. xxi. No. 1, 3/-. 
4. Complete sets of the Proceedings , Volumes l— xiil, 
may also be obtained on application to the Secretaries of the 
Society. 
5. Letters and Communications for the Society should be 
addressed to one of the Secretaries, 
Mr A. E. Shipley, Christ’s College. [Biological.] 
Dr E. W. Barnes, Trinity College. [Mathematical.] 
Mr P. V. Bevan, Trinity College. [Physical.] 
6. Presents for the Library of the Society should be ad- 
dressed to 
The Philosophical Library , 
New Museums, 
Cambridge. 
7. Authors of papers are informed that the Illustrations and 
Diagrams are executed as far as possible by photographic “process” 
work, so drawings should be on a large scale and on smooth white 
Bristol board in Indian ink. 
8. Members of the Society are requested to inform the 
Secretaries of any change of address. 
