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SCIENCE 



[N. S. Vol. LI. No. 1308 



A connected set of points which contains no con- 

 tinuous arc: G. A. Pfeiffek. 



Fundamental types of groups of relations of an 

 infinite field: C. J. Ketser. 



The theorem of Thomson and Tait and its converse 

 in space of n dimensions : Joseph Lipka. 



Foncelet polygons in higher space: A. A. Bennett. 



Continuous matrices, algebraic correspondences, and 

 closure: A. A. Bennett. 



Concerning points of inflection on a rational plane 

 quartic: L. A. Howland. 



Geodesies motion on a surface of negative curva- 

 ture: H. C. M. Morse. 



The geometry of Hermitian forms : J. L. Coolidge. 



Rotations in space of even dimensions: H. B. 

 Phillips and C. L. E. Moore. 



Note on geometric products: C. L. B. Moore and 

 H. B. Phillips. 



A memoir upon formal invariancy with regard to 

 hinary modular transformations: O. B. Glenn. 



The invariant problem of the relativity transfor- 

 mations of Lorentz appertaining to the mutual 

 attraction of two material points: O. E. Glenn. 

 (Preliminary report.) 



The mean of a functional of arbitrary elements: 

 NoRBERT Wiener. 



Bilinear operations generating all operations ra- 

 tional in the domain Q: Norbert Wiener. 



Frechet's calcul fonctionnel and analysis situs: 

 Norbert Wiener. 



A set of postulates for fields: Norbert Wiener. 



On the location of the roots of the jacobian of two 

 binary forms, and of the derivative of a ra- 

 tional function: J. L. Walsh. 



On the proof of Cauchy's integral formula by 

 means of Green's formula: J. L. Walsh. 



On the order of magnitude of the coefficients in 

 trigonometric interpolation: Dunham Jackson. 



A problem of electrical engineering: P. L. Alger. 



Properties of the solutions of certain functional 

 differential equations: W. B. Fite. 



Determination of the pairs of ordered real points 

 representing a complex point: W. C. Geaustein. 



Sheffer's set of five postulates for Boolean algebras 

 in terms of the operation ' ' rejection ' ' made com- 

 pletely independent : J. S. Taylor. 

 „Ex, the magic wand of actuarial theory: 0. H. 

 Forsyth. 



A formula for determining the mode of a fre- 

 quency distribution: G. H. Forsyth. 

 Asymptotic orbits near the equilateral triangle 

 equilibrium points in the problem of three finite 

 bodies: Daniel Buchanan. 



The definition of birational transformations by 

 means of differential equations: C. L. Bouton. 

 Area-preserving, parallel maps in relation to trans- 

 lation surfaces: W. 0. Graustein. 

 Note on linear differential equations of the fourth 

 order whose solutions satisfy a homogeneous 

 quadratic identity: C. N. Reynolds, Jr. 

 A practical problem of aerodynamics and thermo- 

 dynamics: J. E. EowE. 

 A property of permutation groups analogous to 

 multiple transitivity : W. B. Carver and Mrs. E. 

 F. King. 

 Some pseudo-finiteness theorems in the general 

 theory of modular covariamts: Olivb C. Haz- 

 lett. 

 Note on the rectifiability of a twisted cubic: Mart 



F. Curtis. 

 The representation of fractions of periods on alge- 

 braic curves by means of virtual point sets: 

 Teresa Cohen. 

 Necessary and sufficient conditions that a linear 

 transformation be completely continuous: C. A. 

 Fischer. 

 On the structure of finite continuous groups with a 

 single exceptional infinitesimal transformation: 

 S. D. Zeldin. 

 On the location of the roots of the derivative of a 

 polynomial: J. L. Walsh. 



Abstracts of the papers will appear in the March 

 issue of the society's Bulletin. 



The thirteenth western meeting of the society, 

 being a joint meeting of the Chicago and South- 

 western Sections, was held at St. Louis on the same 

 days as the meeting in New York. The next reg- 

 ular meeting of the society will be held in New 

 York on February 28. 



F. N. Cole, 

 Secretary 



SCIENCE 



A Weekly Journal devoted to the Advancement of 

 Science, publishing the official notices and pro- 

 ceedings of the American Association for 

 the Advancement of Science 



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