of Edinburgh, Session 1872-73. 
That Laws IX. and XIII. should be altered as follows : — 
49 
IX. 
Candidates for admission as Ordinary Fellows shall make an 
application in writing, and shall produce along with it a certificate 
of recommendation to the purport below,* signed by at least four 
Ordinary Fellows, two . of whom shall certify their recommendation 
from personal knowledge. This recommendation shall be delivered 
to the Secretary, and by him laid before the Council, and shall 
afterwards be printed in the circulars for three Ordinary Meetings of 
the Society, previous to the day of election, and shall lie upon the 
table during that time. 
XIII. 
The election of Ordinary Fellows shall only take place at the 
first Ordinary Meeting of each month during the Session. The 
election shall be by ballot, and shall be determined by a majority of 
at least two-thirds of the votes, provided twenty-four Fellows be 
present and vote. 
The Society adopted these alterations of the Laws. 
The following Communications were read : — 
1. On the Physical Constants of Hydrogenium. I. 
By Mr James Dewar. 
2. On the supposed Upheaval of Scotland, in its Central 
Parts, since the time of the Roman Occupation By 
D. Milne Home, LL.D. 
No abstract of this paper is given in the Proceedings, as the 
paper will appear in the Transactions. 
* “ A. B., a gentleman well-skilled in Science (or Polite Literature , as the case 
may he), being to our knowledge desirous of becoming a Fellow of the Koyal 
Society of Edinburgh, we hereby recommend him as deserving of that honour, 
and as likely to prove a useful and valuable Member.” 
