r 
S74, 0642 
§ Yin. aw, CONTENTS. 
I.—PRockEpDInas. 
Office-bearers and Council, 1918-1919 . 
Report of the Council 
Summary of Proceedings at the Reedting 
List of Members 
Treasurer’s Balance Sheet 
II].—Transgactions. 
Presidential Address—“ Surface Films.” By Prof. 
W. Ramspen, M.A., D.M. 
Thirty-second Annual Report of the Liverpool Marine 
Biology Committee and their Biological Station at 
Port Erin. (With an Address upon “ Periodic 
Change in Nature.”) By Prof. W. A. Herpmay, 
D.Sc., F.B.S. 
Some Scale-Insects (Coccide) found in the Isle of Man. 
By Prof. R. Newsteap, F.R.S. 
The Nest of the Bank Vole. By Grorcr ELLIson 
Note on a White Orkney Vole. By GrorcEe ELLison 
Some Notes on the Rats of the Port of Liverpool. By 
J. W. Curmore 
Report on the Investigations carried on during 1918, 
in connection with the Lancashire Sea-Fisheries 
Laboratory, at the University of Liverpool, and 
the Sea-Fish Hatchery at Piel, near Barrow. 
By Prof. W. A. Herpman, D.Sc., F.R.S., ANDREW 
Scorr, A.L.S., and JAmes Jounstone, D.Sc. 
Pearl-like Concretions in Tripe. By JAMES JOHNSTONE, 
DNC. 
