Xll. PROCEEDINGS LIVERPOOL BIOLOGICAL SOCIETY. 



2. Mr. J. Lomas, F.G.S., delivered a lecture on " Eecent 

 Finds of Flints in Cheshire and North Wales, and 

 their bearing on the Antiquity of Man." A number 

 of the specimens found were exhibited and the 

 opinions of eminent experts were quoted to show 

 that these flints owed their shape to human rather 

 than natural agencies. The lecture was also illus- 

 trated by photographs and lantern slides. An 

 animated discussion followed. 



The fourth meeting of the thirteenth session was held 

 at University College on Friday, January 13th, 1899. 

 Prof. Herdman (Vice-President) in the chair. 



1. In the Zoological Laboratory Prof. Herdman exhibited 



a series of microscopical preparations of the radulse 

 of molluscs, and Dr. Wiglesworth exhibited and 

 made some remarks upon the eggs of the Koseate 

 Tern (Sterna dougalli). 



2. A paper on " Aerial Boots of the Ivy," by Prof. 



Harvey Gibson, was communicated by Prof. 

 Herdman (see "Transactions," p. 185). 



3. Mr. W. E. Sharp communicated a paper on " Some 



Speculations on the Derivation of our British 

 Coleoptera " (see " Transactions," p. 163). 



The fifth meeting of the thirteenth session was held at 

 University College on Friday, February 10th, 1899. The 

 President in the Chair. 



1. From 7 to 7-30 in the Physiological Laboratory a series 

 of miscellaneous exhibits were on view, and Dr. 

 Grimbaum described an apparatus for measuring 

 the vitiation of the air in a room. 



