ABSORPTION OF LIGHT IN GASEOUS MEDIA. 
401 
Table 
J) 
55 
15 
15 
51 
55 
55 
55 
55 
55 
Numerical Tables and Comparison of Theory with Observation. 
Discussion of Results. 
I.—Coefficients of attenuation for Washington, Mount Wilson, Mount Whitney, and Potsdam. 
II.—Constants of atmospheric scattering and absorption. 
III. —Tabulation of the function G {C (sec ^-1)}. 
IV. -—Tabulation of the function G (C sec (). 
V.—Tabulation of the auxiliary functions ffi(C, 0), G(C), /(C). 
VI.—Relative intensities from zenith sky calculated from Mount Wilson observations. 
VII.—Total solar and sky radiation calculated from jMount Wilson olrservations. 
VIII.—Relative intensities from zenith sky calculated from Washington observations. 
IX.—Total solar and sky radiation calculated from Washington observations. 
X.—(Quality of sky radiation at Mount "Wilson, October 17, 1906. 
XL—Total sky radiation at Mount Wilson, October 19, 1906. 
XII.—Average intensities of sky i-adiation. Mount AVilson. 
XIII.—Polarization of sky radiation calculated from Washington and Mount Wilson observations. 
3 F 
YOL. CCXII.—A. 
