442 On the Construction of the Cell of the Honey Bee. [Dec. 9, 



December 9, 1886. 



Professor STOKES, D.C.L., President, in the Chair. 



The Presents received were laid on the table, and thanks ordered 

 for them. 



The President announced that he had appointed as Vice-Presi- 

 dents — 



The Treasurer. 

 Dr. Archibald Greikie. 

 Professor Bartholomew Price. 

 Sir Greorge Richards. 



The following Papers were read : — 



I. w Note to a Paper on the Geometrical Construction of the 

 Cell of the Honey Bee (< Roy. Soc. Proc.,' vol. 39, 

 page 253)." By Henry Hennessy, F.R.S., Professor of 

 Applied Mathematics in the Royal College of Science, 

 Dublin. Received November 16, 1886. 



The result obtained in the paper on the cell of the honey bee, 

 read November 26, 1885, by which the side of one of the lozenges 

 composing the cell was found to be three times the difference 

 between the two parallel edges forming the sides of one of the 

 trapeziums of the prism, gives a very simple method for constructing 

 the figure as follows. On a straight line take a part AD, and lay 



