364 CROSS. 



polarization experiment." (Appropriation trans- 

 ferred to another research, viz., effect of motion 

 of earth on intensity of radiation, 98) .... $250 



96. George E. Hale. For the purchase of a Rowland 

 concave diffraction grating to be used in the 

 photographic study of the brighter stars . . . 300 



97. Edward C. Pickering. For the construction of two 



stellar photometers to be placed at the disposal of 



the Rumford Committee. (Additional to 78.) . 150 



98. Ernest F. Nichols and Gordon F. Hull. Effect of 



the motion of the earth on the intensity of radia- 

 tion. (Appropriation 95 for Fizeau's polariza- 

 tion experiment, S250, transferred to this 

 purpose.) 



99. Frederic L. Bishop. Thermal conductivity of 



lead 75 



100. Frederick A. Saunders. Characteristics of spectra 



produced under varying conditions .... 200 



101. \Yilliam J. Humphreys. Shift of spectrum lines 



due to pressure 300 



102. Norton A. Kent. Circuit conditions influencing 



electric spark lines 250 



103. Edward W. Morley. Nature and effects of ether 



drift . . . . " 500 



1904. 104. John A. Dunne. Fluctuations in solar activity as 



evinced by changes in the difference between 

 maximum and minimum temperatures . . . 200 



105. Carl Barus. Optical method of study of radio- 



actively produced condensation nuclei. (Ap- 

 propriation not called for.) 200 



106. Dewitt B. Brace. Double refraction in gases in 



an electrical field 200 



107. Robert W. Wood. Optical and other physical 



properties of sodium vapor. (Additional to 86.) 350 



108. Norton A. Kent. (Additional to 102.) Circuit 



conditions influencing electric spark lines . . 100 



109. Arthur L. Clark. Molecular properties of vapors 



in the neighborhood of the critical point. 

 (Additional to SO.) 150 



1905. 110. Dewitt B. Brace. Double refraction in gases in 



an electrical field. (Additional to 106.) . . . 200 



