IV. LIVERPOOL BIOLOGICAL SOCIETY. 



Note on Mid-Winter Surface and Deep Tow-Nettings 

 in the Irish Sea. By Isaac C. Thompson, 

 F.L.S 156 



Some Speculations on the Derivation of our British 



Coleoptera. ByW.E. Sharp .... 163 



On Secondary Thickening in the Aerial Boots of 

 Hedera helix. By Prof. B. J. Harvey Gibson, 

 M.A., F.L.S 185 



Addendum to Beport on a small Collection of 

 Antarctic Plankton, &c. By Isaac C. Thompson, 

 F.L.S 188 



