"John Duncan, aged fifty-nine, hewer, Pencaitland: 'Mining has caused my breath to be affected, and I am, like many other colliers, obliged to hang upon my children for existence. The want of proper ventilation in the pits is the chief cause. No part requires more looking to than East Lothian; the men die off like rotten sheep.'—Ibid. No. 150, p. 464, 1. 28. "George Hogg, thirty-two years of age, coal-hewer, Pencaitland: 'Unable to labour much now, as am fashed with bad breath; the air below is very bad; until lately no ventilation existed.'—Ibid. No. 153, p. 406, 1. 46. See also Witnesses, Nos. 4, 36, 53, 131, 152, 155, 175, 275, 277, &c.: 'The confined air and dust in which they work is apt to render them asthmatic, as well as to unfit them for labour at an earlier period of life than is the case in other employments.'—_Tancred, Report_, s. 99, App. pt. i. p. 345. "Dr. Adams, Glasgow: 'Amongst colliers, bronchitis or asthma is very prevalent among the older hands.'—_Tancred, Evidence_, No. 9; App. pt. i. p. 361, 1. 44. "Mr. Peter Williams, surgeon, Holiwell, North Wales: 'The chief diseases to which they are liable are those of the bronchiæ. Miners and colliers, by the age of forty, generally become affected by chronic bronchitis, and commonly before the age of sixty fall martyrs to the disease. The workmen are, for the most part, very healthy and hardy, until the symptoms of affections of the bronchial tubes show themselves.'—_H. H. Jones, Evidence_, No. 95; App. pt. ii. p. 407, 1. 8. "Jeremiah Bradley, underground agent, Plaskynaston: 'The men are apt to get a tightness of breath, and become unfit for the pits, even before sixty.'—Ibid. No. 30, p. 383, 1. 8. "Amongst colliers in South Wales the diseases most prevalent are the chronic diseases of the respiratory organs, especially asthma and bronchitis.'—_Franks, Report_, s. 64; App. pt. ii. p. 484. "David Davis, contractor, Gilvachvargoed colliery, Glamorganshire: 'I am of opinion that miners are sooner disabled and off work than other mechanics, for they suffer from shortness of breath long before they are off work. Shortness of breath may be said to commence from forty to fifty years of age.'—_Franks, Evidence_, No. 178; App. pt. ii. p. 533, 1. 32. "Richard Andrews, overseer, Llancyach, Glamorganshire: 'The miners about here are very subject to asthmatic complaints.'—Ibid. No. 152; p. 529, 1. 7. "Mr. Frederick Evans, clerk and accountant for the Dowlais Collieries, Monmouthshire: 'Asthma is a prevalent disease among colliers.'—_R. W. Jones, Evidence_, No. 121; App. pt. ii. p. 646, 1. 48.