312 Scientific Proceedings, Royal Dublin Society. 
rather wnderstated the case against water-gas mixtures. Neverthe- 
less, I desire to repeat that, so far as the Dublin supply was 
concerned in March,! when I made the chief analyses, there was no, 
need for undue alarm or for exaggerated fears, but rather for 
much increased caution in dealing with the new gas. On the 
other hand, monopolies of dwindling value, as gas companies un- 
doubtedly are, cannot afford to disregard the deliberate opinion of 
so competent a body as the Home Office Commission. I therefore 
trust that the 12 per cent. limit recommended for carbon monoxide 
may not be exceeded in Dublin gas, as it seems an equitable com- 
promise, and that adequate public supervision of the supply shall 
be secured and regularly maintained. 
1 Tt is unfortunate that the only analysis made in April (on 24th) gave 15-6 per 
cent. of carbon monoxide, which represents a mixture including about 40 per cent. of 
carburetted water-gas. 
[ TABLE 
