NOTICES. 
1. A limited number of complete sets of the first Ten 
Volumes (thirty parts and index) of the Transactions is in 
stock ; sets may be obtained on application to the Secretaries 
of the Society. The price is £20 a set. 
2. The subsequent volumes of the Transactions may be 
obtained at the following prices; Vol. xi. £1. 5s. 6d. ; Vol. xn. 
£1. 10s. 6d. ; Vol. xm. £1. 2s. 6d. ; Vol. xiv, £1. 17s. 6d. ; Vol. xv. 
£1. 12s. 6d. ; Vol. xvi. £1. 10s. ; Vol. xvn. £1. 2s. 6d. ; Vol. xviii. 
£1. Is. ; Vol. xix. Parts 1 and 2, 7s. 6d. each. 
3. Complete sets of the Proceedings, Volumes I. — xi. may also 
be obtained on application to the Secretaries of the Society. 
4. Letters and Communications for the Society should be 
addressed to one of the Secretaries, 
Mr A. E. Shipley, Christ's College. [Biological.] 
Mr S. Skinner, Christ’s College. [Physical.] 
Mr H. M. Macdonald, Clare College. [Mathematical.] 
5. Presents for the Library of the Society should be ad- 
dressed to 
The Philosophical Library , 
New Museums, 
Cambridge. 
6. 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. 
7. Members of the Society are requested to inform the 
Secretaries of any change of address. 
