24 Influence of Increased Barometric Pressure on Man. 
The practical outcome of this research is that young men of small body 
weight and possessing a vigorous circulation should be selected for compressed 
air works. 
REFERENCES. 
(1) Quoted by Paul Bert, ‘La Pression Barométrique, Paris, 1878, pp. 379—383. 
(2) Quoted by Heller, Mager, and v. Seda, ‘Luftdruckerkrankungen, etc.,’ Wien, 
1900;-voll, p27: 
(3) Snell, ‘Compressed Air Illness,’ Trenton 1896. 
(4) W. P. Elderton, “ Tables for Testing the Goodness of Fit of Theory to Observation,” 
‘Biometrika,’ vol. 1, p. 155, 1903. 
(5) K. Pearson, “On the Correlation of Characters not Quantitatively Measurable,” 
‘Phil. Trans.,’ A, 1900, vol. 195, pp. 1—47. 
(6) K. Pearson, “On the Theory of Skew Correlation and Non-Linear Regression,” 
‘Drapers’ Company Research Memoirs,’ Biometric Series, No. 2. . 
(7) K. Pearson, “On the Theory of Contingency and its Relation to Association and 
Normal Correlation,” ‘ Drapers’ Company Research Memoirs,’ Biometric Series, 
Nowl: 
(8) J. Blakeman, “On Tests for Linearity of Regression in Frequency Distributions,” 
‘Biometrika,’ 1905, vol. 4, pp. 3832—350. 
(9) J. Blakeman and R. Pearson, “On the Probable Error of Mean Square Contingency,” 
‘Biometrika,’ 1906, vol. 5, pp. 191—-197. 
(10) P. Bert, ‘ La Pression Barométrique,’ Table 18, p. 954. 
(11) Phillipon, ‘Comptes Rendus de l’Acad. d. Sciences,’ 1892, vol. 115. 
(12) Quoted by Heller, Mager, and v. Schrotter, op. czt., p. 760. 
(13) Hill and Macleod, ‘Journ. of Hygiene,’ 1903, vol. 3, p. 401. 
(14) J. Lorrain Smith, “ Pathological Effects due to Increased Oxygen Tension,” ‘Journ. 
of Physiol.,’ 1899, vol. 24, p. 19. 
