Fbbruakt 20, 1914] 



SCIENCE 



289 



SCIENTIFIC JOVBNALS AND ABTICLES 



The opening (January) number of volume 

 15 of the Transactions of the American Mathe- 

 matical Society contains the following papers : 



T. H. Gronwall: "On the degree of convergence 

 of Laplace's series." 



L. E. Dickson: "Linear assooiative algebras and 

 abelism equations." 



W. B. Fite: "Some tlieorems concerning groups 

 whose orders are powers of a prime. ' ' 



E. E. Root : ' ' Limits in terms of order, with ex- 

 amples of limiting element not approachable by a 

 sequence. ' ' 



O. E. Glenn : ' ' The symbolical theory of finite 

 expansions. ' ' 



B. H. Camp : ' ' Lebesgue integrals containing a 

 parameter, with applications. ' ' 



J. L. Coolidge: "Congruences and complexes of 

 circles. ' ' 



The Deember number of the Bulletin of 

 the American Mathematical Society contains: 

 Report of the Madison Colloquium, by Arnold 

 Dresden ; Report of the Vienna meeting of the 

 Deutsche Mathematiker-Vereinigung, by Vir- 

 gil Snyder ; " On binary modular groups and 

 their invariants," by L. E. Dickson ; " On 

 some systems of collineation groups," by H. 

 H. Mitchell ; " On the sumability of Four- 

 ier's series," by T. H. Gronwall; "Note on 

 Pierpont's Theory of Functions," by G. A. 

 Bliss; Review of Reid's Theory of Algebraic 

 Numbers, by E. B. Skinner; Review of the 

 Festschrift Heinrich Martin Weber zu seinem 

 siebzigsten Geburtstag, by R. C. Archibald; 

 " Shorter Notices " : Murray's Plane Trigo- 

 nometry and Tanner and Allen's Analytic 

 Geometry, by C. B. Hennel; Miiller's Gedenk- 

 tagebuch fiir Mathematiker and Ebner's 

 Technische Infinitesimalreehnung, by E. W. 

 Ponzer; Webster's Dynamics of Particles and 

 of Rigid, Elastic and Fluid Bodies, by W. R. 

 Long-ley ; " Notes " ; and " New Publications." 



The January number of the Bulletin con- 

 tains: Report of the October meeting of the 

 society, by F. N. Cole; Report of the twenty- 

 fourth regular meeting of the San Francisco 

 Section, by Thomas Buck; Report of the 

 seventh regular meeting of the Southwestern 



Section, by O. D. Kellogg; "The infinite 

 regions of various geometries," by Maxime 

 Bocher; "Shorter Notices"; Auerbach and 

 Rothe's Taschenbuch fiir Mathematiker und 

 Physiker, by G. A. Miller; Sommer-Levy's 

 Theorie des Nombres algebriques, by E. B. 

 Skinner; Carslaw's Infinitesimal Calculus, by 

 A. M. Kenyon; Young's Monographs of 

 Modern Mathematics, by R. D. Carmichael; 

 Hawkes's Higher Algebra, by J. E. Rowe; 

 Evans's Teaching of High School Mathe- 

 matics, by E. B. Lytle; Fischer's Koordina- 

 tensysteme, by E. J. Wilczynski ; " Notes " ; 

 and " New Publications." 



The February number of the Bulletin con- 

 tains : " Some theorems on the convergence of 

 series," by R. D. Carmichael ; " A translation 

 principle connecting the invariant theory of 

 line congruences with that of plane n-lines," 

 by O. E. Glenn; "Some mathematical book- 

 let series," by R. C. Archibald; "Mathe- 

 matical models," by R. C. Archibald; Review 

 of Darhoux's Systemes orthogonaux et Co- 

 ordonnees eurvilignes, by E. J. Wilczynski; 

 Review of Church and Bartlett's Descriptive 

 Geometry, Low's Practical Geometry and 

 Grapliics, Hauck's Darstellende Geometrie, 

 and Miiller's Darstellende Geometrie fiir 

 technische Hochseliulen, by Virgil Snyder; 

 " Shorter Notices " ; Hensel's Zahlentheorie, 

 by L. E. Dickson; Volterra's Equations 

 integrales et Equations integro-differentielles, 

 by Jacob Westlund; Kowalewski's Komplexe 

 Veranderliehen und ihre Funktionen, by 

 Arnold Dresden; Bachelier's Caleul des Prob- 

 abilites, by H. L. Rietz; Einstein and Gross- 

 mann's Verallgemeinerte Eelativitatstheorie, 

 by E. B. Wilson ; " Notes " ; and " New Pub- 

 lications." 



TEE BOTANICAL SOCIETY OF AMEBICA 

 II 



The Anatomy of the Node as an Aid in the Classi- 

 fication of the Angiosperms: E. W. Sinnott. 

 The node of vascular Cryptogams and Gymno- 



sperms is recognized as a conservative region. 



Investigation shows that the nodal structure of 



Angiosperms, as well, is slow to change and ia 



