Minutes of the Academy. 
Ixxxix 
ApiiiL 14, 1873. 
William Stokes, M. D., F. E. S., in the Chair. 
Dr. Michael A. Boyd ; John Frost, Esq. ; Professor Alexander 
Macalister, M. B. ; Major-General William James Smyth, E. A., F. E. S. ; 
and Thomas Wilkinson, Esq., were elected Members of the Academy. 
The following Papers were read : — 
JN'otes on Applied Mechanics, Nos. III., IV., and V.;" by Eobert 
S. Ball, LL. D. 
" On a Comparable Self-registering Hygrometer by Michael 
Donovan, Esq. 
''On an Ogham-inscribed Pillar Stone lately discovered in the 
County Cork;" by Eichard E. Brash, M. E. I. A. 
Donations to the Library were announced, and thanks voted to the 
donors. 
Apeil 28, 1873. 
Eev. William Eeeves, D. D., in the Chair. 
The following Papers were read : — 
"On Evidences of Sun-worship at Mount Callan ;" by Samuel 
Ferguson, LL. D., V. P. 
'* A description of an Instrument for Keeping up Artificial Eespi- 
ration (being a preliminary Eeport on the Innervation of the Heart) 
by Dr. Nicholas Fnrlong. 
Donations were announced, and thanks voted to the donors. 
May 12, 1873. 
Eev. J. H, Jellett, B. D., President, in the Chair. 
The Eight Hon. Chichester Fortescue, M. P., President of the 
Board of Trade, was elected a Member of the Academy. 
The following Papers were read : — 
On the Influence of Dolomite on the Deposition of Carbonates 
and Silicates of Zinc, especially as illustrated by the Zinc Deposits of 
Silver Mines in the County of Tipperary ;" by Professors Sullivan and 
O'Eeilly. 
" On Sepulchral Slabs in the County Donegal by W. H. Pat- 
terson, Esq., M. E. I. A. 
Donations were announced, and thanks voted to the several donors. 
The Treasurer laid on the table his Estimate for the year 1873-4, 
as approved by the Council ; and submitted the Abstract of Accounts 
for 1872-3, with Auditors' Eeport thereon, as annexed : — 
