262 IOWA ACADEMY OF SCIENCE 



i 



Brown ( Pliys. Rev. X. S., 167-175), Physical properties of se- 

 lenium. 



Sieg and Brown (Phys. Rev., N. S., 5, 65-67), Wave length- 

 sensibility curves for crystals of selenium. 



Brown- (Phys. Rev., N. S., 5, 236), The isolation of crystals of 

 the second and fifth systems. 



Brown (Phys. Rev., N. S., 5, 395-403), The nature of electric 

 conduction in selenium, based on recovery experiments. 



Brown (Phys. Rev., N. S., 5, 404, 411), The nature of the trans- 

 mitted light action in selenium. 



Elliott (Phys. Rev., N. S., 5, 53-64), The light-sensibility of se- 

 lenium and stibnite. 



(in ill cm i not (Sc. Ab., 18, 524), The use of selenium in measur- 

 ing- the intensity of X rays. 



Meissner (Electr. Rev., 66. 288), The applications of selenium — 

 the selenium dog. 



Meissner (Purdue Eng. Rev.. 15, 34), Selectivity in torpedo 

 control. 



Sieg (Phys. Rev., N. S., 6, 213-218), The heat .conductivity of 

 selenium. 



Dodd (Proc. Iowa Acad. Sci., 22, 307), The absence of absorp- 

 tion or liberation of electrons in passing from conducting 

 to non-conducting state. Also Phys. Rev., 1916. 



Brown- (Proe. Iowa Acad. Sci., 22, 317), The crystal Phonopti- 

 con to enable the blind to read the printed page. 



Dodd (Sc. Am., 93, p. 138, Aug. 14, 1915), The mechanical Eye. 

 The crystal Phonopticon. 



d'Albe (Sc. Am., 93, 467), Same ref. previously. A compara- 

 tive estimate of the merits of the above. 



Stebbins (Astro. Phys. Journ., 42, 143), The eclipsing variable 

 star delta Orionis. 



Voltz (Phys. Zeits., 16. 209 and 308), The application of se- 

 lenium to the measurement of X ray intensities. 



Voltz and Fursteneou (Phys. Zeits., 16, 276), Measurement of 

 X ray intensities with selenium. 



Dieterich, E. O. (Thesis. University of Iowa, 1916). 

 Dieterich, Kathryn Johnston, (Phys. Rev.) 



