March 17, 1922] 



SCIENCE 



277 



Columbia: Harold Lattimore Ailing, "Mineral- 

 ography of the feldspars." 



Iowa: Walter Henry Schoewe, "Origin and his- 

 tory of the extinct Lake Calvin, Iowa. ' ' 



Johns Hopkins: Edmund Maute Spieker, "Mol- 

 luscan fauna of the Zorritoa formation of 

 northern Peru." 



Nebkaska: Jerome Benjamin Burnett, "Geolog- 

 ical study of northeastern Coahuila, Mexico. ' ' 



Ohio State: Guy Woolard Conrey, "Geology of 

 Wayne County, Ohio. ' ' 



Wisconsin: William Oscar Blanchard, "Geo- 

 uomie interpretation of the cuesta of south- 

 western Wisconsin." Clifton Sherwin Corbett, 

 "Some hydrous aluminium silicates as schist- 

 making minerals. ' ' 



Yale: Malcolm Havens Bissell, "Triassic area of 

 the new Cumberland Quadrangle, Pennsyl- 

 vania. ' ' 



Mathematics 



CAHrORNiA: Nina May Alderton, "Involutory 

 quartic transformation in space of four dimen- 

 sions. ' ' Paul Harold Daus, ' ' Normal ternary 

 continued fraction expansions for the cube roots 

 of integers." Daniel Victor Steed, "Lines on 

 the hypersurface of order 2n-3 in space of n 

 dimensions. ' ' 



Chicago : Mayme Irwin Logsdon, ' ' Equivalence 

 and reduction of pairs of hermitian forms. ' ' 

 Irwin Roman, ' ' Transformation of waves 

 through a symmetrical optical instrument. ' ' 

 William L. G. Williams, "Fundamental sys- 

 tems of formal modular seminvariants of the 

 binary cubic. ' ' Frank Edwin Wood, ' ' Certain 

 relations between the projective theory of sur- 

 faces and the projective theory of congru- 

 ences. ' ' 



Columbia: Jesse Douglas, "Certain two-point 

 properties of general families of curves: the 

 geometry of variations. ' ' 



Illinois : Beulah May Armstrong, ' ' Mathemat- 

 ical induction in group theory." William Ed- 

 mund Ediugton, "Abstract group definitions 

 and applications. ' ' 



Iowa: Eugene Manasseh Berry, "Diffuse reflec- 

 tion. ' ' ' 



Johns Hopkins: Flora Dobler Sutton, "Certain 

 chains of theorems in reflective geometry. ' ' 



Princeton: Philip Franklin, "Pour color prob- 

 lem. ' ' 



EADCLirrE: Eachel Blodgett, "Determination of 

 the coefScient in interpolation formulae and a 

 study of the approximate solution of integral 

 equations. ' ' 



Syracuse : Jung Sun, ' ' Some determinant the- 

 orems. ' ' 



Yale: Malcolm Cecil Foster, "Rectilinear con- 

 gruences referred to special surfaces." 

 Metallurgy 



Columbia: Sze-Moo Ling, "Refractory materials 

 from the viewpoint of binary and ternary 

 equilibrium diagrams." 



George Washington: Raymond W. Woodward, 

 "Manufacture and properties of steel plates 

 containing zirconium and other elements." 

 Pathology 



Minnesota: Charles Edward Nixon, "Sub- 

 stance concerned in the colloidal gold test and 

 the nature of the reaction. ' ' 

 Physics 



California: William Harry Bair, "Spectra of 

 some compound gases in a vacuum tube." 



Chicago: Ira Garnett Barber, "Secondary elec- 

 tron emission from copper surfaces." Otto 

 Koppius, "Comparison of thermionic and 

 photoelectric work-functions in platinum." 

 Louallen Frederick Miller, "Pressure shifts in 

 a calcium arc." John Preston Minton, "Sen- 

 sitivity of normal and defective ears for tones 

 of various frequencies." 



Cornell: Jacob Roland Collins, "Influence of 

 certain dissolved substances on the infra-red 

 absorption of water." Guy Everett Grantham, 

 ' ' Study of some infra-red absorption spectra. ' ' 

 Lewis Richard Koller, "Factors influencing the 

 resistance of sputtered platinum films." 



Hakvaed: Hector John MacLeod, "Variation 

 with frequency of the loss of energy in dielec- 

 trics. ' ' 



Illinois: Charles Steven Fazel, "Time and pres- 

 sure measurements in the corona." Charles 

 Francis Hill, "Measurement of mercury vapor 

 pressure by means of the Knudsen pressure 

 gauge. ' ■ 



Johns Hopkins: Gregory Breit, "Behavior of 

 inductance coils at frequencies of radiotelegra- 

 phy. ' ' Robert Allen Castleman, Jr., ' ' Magnetic 

 rotary dispersion in transparent liquids." 

 Louis Bryant Tuckerman, "Theory of columns 

 of ductile materials." Jan Stephanus van der 

 Lingen, "Fluorescence of mercury vapor." 

 Milton Sheldon Van Dusen, "Thermal conduc- 

 tivity of some heat insulators. ' ' 



Minnesota: John George Frayne, "Anilateral 

 dynamic characteristics of three electrode ther- 

 mionic amplifiers." Ada Frances Johnson, 

 "Method of measuring ionic mobilities by ob- 



