FIFTH REPORT -1835. 
xxxii 
the tricuspid and mitral valves prevent the reflux of blood;—are 
they floated up and stretched across the auriculo-ventricular 
orifices, or are they drawn together to a point within the cavity 
of the ventricle bv the action of the columnas carneae? 
5. That two Committees be appointed, one to meet in Edin¬ 
burgh, the other in London, to communicate with the London 
Statistical Society and the Statistical Committee of the Associa¬ 
tion relative to a registration of deaths, comprising particulars 
of a medical nature*. 
6. That a Committee be appointed in Dublin to report on the 
pathology of the brain and nervous systemf. 
7- That, considering the importance of the inquiry instituted 
by Dr. Osborne on the action of cold and on the application of 
a particular modification of the thermometer to the measuring of 
refrigeration of the human body. Committees be appointed in 
London, Edinburgh, and Dublin to prosecute the said inquiry. 
ARTS. 
Resolutions of the Committee, 
1. That Messrs. Hodgkinson and Fairbairn be requested to 
undertake a series of experiments on the difference of strength 
and other mechanical properties of iron obtained by the hot and 
cold blast under similar circumstances to the nature of the coal 
employed, and from the same manufactory, and that a sum not 
exceeding 30/. be placed at their disposal for that purpose. 
2. That the sum of 50/. be applied towards procuring, printing, 
and circulating periodical statements of the duties of steam- 
engines in Cornwall and elsewhere. 
Desideratum noticed by Professor Barlow in his Report on the 
Strength of Materials. 
A set of experiments on the application of a straining force 
on vertical columns (of timber, iron, &c.). 
STATISTICS. 
Resolutions of the Committee. 
1. That Colonel Sykes be requested to prepare for publica¬ 
tion his valuable statistical returns, collected by himself in India, 
f Reports, vol. iv. 
* Reports, vol. iv. p. 251. 
