362 CROSS. 



1896. 65. Henry Cre-vv. Electric, chemical, and thermal 



effects of electric arc S400 



66. Robert O. King. Thomson effect in metals . . 100 



1897. 67. Arthur G. Webster. Velocity of light. (Appro- 



priation not called for.) 500 



68. George E. Hale. For the construction of spectro- 



heliograph 400 



69. Arthur G. Webster. For the construction of re- 



volving mirror. (Additional to 67. Appro- 

 priation returned.) 250 



70. Arthur G. Webster and Robert R. Tatnall. The 



Zceman effect. (Appropriation not called for.) 100 



1898. 71. Wallace C. Sabine. Researches on ultra-violet 



radiation 400 



72. Albert A. ]Michelson. New form of dift'raction 



grating. (Echelon spectroscope.) 500 



73. Theodore W. Richards. For the construction of a 



microkinetoscope, to be applied to a study of the 

 birth and gro\\ th of crystals 200 



1899. 74. Wallace C. Sabine. Further researches on ultra- 



violet wave-length. (Additional to 71.) . . . 200 



75. Henry Crew. Spectrum of the electric arc. (Ad- 



ditional to 65.) 200 



76. Arthur G. Webster. Distribution of energy in 



various spectra studied by means of the ]Michel- 

 son interferometer and the radiometer. (Appro- 

 priation not called for.) 200 



77. Edwin B. Frost. To aid in the construction of a 



spectrograph especially designed for the measure- 

 ment of stellar velocities in the line of sight . . 500 



1900. 78. Edward ( '. Pickering. For constructing a new type 



of photometer to be used in an investigation on the 

 brightness of faint stars, to be carried out by coop- 

 eration with certain observatories possessing large 

 telescopes. (Additional to 38.) 500 



79. Theodore W. Richards. Transition temperatures 



of crystallized salts 100 



80. Arthur L. ("lark. Molecular properties of vapors in 



the neighborhood of the critical point .... 250 



81. Charles E. Mendenhall. Investigations on a 



hollow bolometer. ($100 only, called for.) . . 200 



