SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I3I 



b. On Avogadro's number. 



c. On atmospheric ozone. 



d. On water-vapor absorption 



above 3 microns. 



e. On water-vapor absorption 



below 3 microns. 



f. Preparation of Physical 



Tables. 



3. W. H. Hoover: 



Besides his large part in vol- 

 ume 7 of the Annals of 

 the Astrophyical Observa- 

 tory, as coauthor with L. B. 

 Aldrich, he engaged in clas- 

 sic researches on photosyn- 

 thesis as a member of the 

 staff of the Division of 

 Radiation and Organisms, 

 later a branch of the Astro- 

 physical Observatory. 



a. Carbon-dioxide assimilation 



in a higher plant (with 

 Earl S. Johnston and 

 F. S. Brackett). 



b. The dependence of carbon- 



dioxide assimilation in a 

 higher plant on wave- 

 length of radiation. 



c. Improvements in use of 



standard water-flow pyr- 

 heliometer, and in silver- 

 disk pyrheliometer. 



d. Special studies of global 



sun and sky radiation 

 (with L. B. Aldrich). 



e. Mechanical integrator for 



Brown recording poten- 

 tiometer. 



Astrophys. Journ., vol. 40, p. 435, 1914. 

 Smithsonian Misc. Coll., vol. 81, No. 



II, 1929. 

 Annals, vol. 3, pp. 171-193, 1913. 



Annals, vol. 4, pp. 274-287, 1922. 



Smithsonian Physical Tables, 5th ed., 

 1910; 6th ed., 1914; 7th ed., 1919; 

 8th ed., 1934. 



Smithsonian Misc. Coll., vol. 87, No. 

 16, pp. I -19, January 16, 1933. 



Smithsonian Misc. Coll., vol. 95, No. 

 21, pp. 1-13, February 27, 1937. 



Smithsonian Misc. Coll., vol. 122, No. 



5, pp. i-io, August 14, 1953. 

 Annals, vol. 7, pp. 99-104, 1954. 



.\nnals, vol. 7, pp. 144-164, 1954. 



Annals, vol. 7, pp. 138-139, 1954. 



