168 



SCIENCE. 



[N. S. Vol. I. No. 6. 



THE BIOLOGICAL SOCIETY OF WASHINGTON, 

 JAN. 26. 



Council meeting at 7:30 p. m. 



A New Cotton Enemy, brought over from Mex- 

 ico : Mr. L. O. Howard. 



Anatomy of a Leaf-gall of Pinus virginiamis : 

 Mr. Theo. Holm. 



Abnormal Feet of Mammals : Mr. F. A. Lucas. 



The Mesozoie Flora of Portugal compared with 

 that of the United States : Prof. Lester F. 

 Ward. 



Frederic A. Lucas, Secretary. 



SCIENTIFIC JOURNALS. 

 THE ASTROPHYSICAL JOURNAL, JAN. 



On the Conditions which Affect the Spectra-Pho- 

 tography of the Sun : A. A. Michelson. 



Photographs of the Milky- Way : E. E. Bar- 

 nard. 



The Arc-Spectra of the Elements I. Boron and 

 Berylium: H. A. Eowland and E. Tat- 



NALL. 



On Some Attempts to Photograph the Solar Co- 

 rona Without an Eclipse, made at the Mount 

 Etna Observatory: A. Riccd. 



Discovery of Variable Stars from their Photo- 

 graphic Spectra : E.G. Pickering. 



Preliminary Table of Solar Spectrum Wave- 

 Lengths I.: H. A. Eowland. 



Observations of Mars made in May and June, 

 189 If, ivith the Melbourne Gi-eat Telescope: 

 E. L. J. Ellery. 



Recent Changes in the Spectrum of Nova 

 Auriga : W. W. Campbell. 



The Modern Spectroscope. X. General Consider- 

 ations Respecting the Design of Astronomical 

 Speetroscojies : F. L. O. Wadsworth. 



Minor Contributions and Notes. 



Reviews. 



Recent Publications. 



AMERICAN JOURNAL OF MATHEMATICS, JAN. 



Sur une transformation de mouvements: Par 



Paul Appell. 

 Extrait d'une lettre adress'ee & M. Craig : Par 



M. Hermite. 



On the First and Second Logarithmic Deriva- 

 tives of Hyperelliptic Functions: By Oskar 



BOLZA. 



Sur la definition de la limite d'une foncHon, 

 Exerdce de logique mathematique : Par G. 

 Peano. 

 Theorems in the Calculus of Enlargement : By 

 • Emory McClintock. 

 On Foucault's Pendulum : By A. S. Chessin. 



BULLETIN OF THE TORREY BOTANICAL CLUB, 

 JAN. 



Family Nomenclature : John Hendley Barn- 

 hart. 



A Revision of the North American Species of 

 the Genus Cracca : Anna Murray Vail. 



A Revision of the Genus Scouleria with De- 

 scription of one neiu Species : Elizabeth G. 

 Britton. 



Studies in the Botany of the Southeastern United 

 States — III. : John K. Small. 



New Plants from Idaho : Louis F. Hender- 

 son. 



Buxbaumia Aphylla : Geo. G. Kennedy. 



Herbert A . Young : Wm. P. Eich. 



Proceedings of the Club. 



Index to Recent Literatare Relating to American 

 Botany. 



NEW BOOKS. 



The Factors in Organic Evolution : A Srjllabus 

 of a Course of Elementary Lectures. David 

 Starr Jordon. Pp. 149. Ginn & Co. 

 $1.50. 



The Geological and Natural History Survey of 

 Minnesota. N. H. Winchell. Minneap- 

 olis, Harrison & Smith. 1894. Pp. 210. 



Anatomy and Art. President's address be- 

 fore the PhilosopMcal Society of Wash- 

 ington. Egbert Fletcher Washington. 

 1895. Pp. 24. 



Annual Reports of the Bureau of Ethnology of 

 the Smithsonian Institution, 1S90-1891. J. 

 W. Powell. Washington, Government 

 Printing Offtce. Pp. 742. 



