SCIENCE 



A ■WEEKLY JOURNAL DEVOTED TO THE ADVANCEMENT OF SCIENCE, PUBLISHING THE 



OFFICIAL NOTICES AND PROCEEDINGS OF THE AMERICAN ASSOCIATION 



FOR THE ADVANCEMENT OF SCIENCE. 



Feidat, October 28, 1904. PRESENT PROBLEMS OF GEOPBYSICS." 



^= — . =^ Advances in science are seldom made 



CONTENTS: without a view to the solution of specific. 



Present Problems of Geophysics: Dr. George concrete problems, even when the results 



F. Becker "i4.5 of investigation possess the widest gener- 



The Domain of Physiology and its Relations '^1^^^- ^he history of science is full of 



to Medicine: Dr. S. J. Meltzer 557 instances of the fruitfulness of researches 



the immediate purposes of which were 



Scientific Books:— narrowly defined. Geophysics is only that 



Nuttaii's Blood Immunity and Blood Rela- portion of general physics, including un- 



tionship : Da. J. Ewing. Schumann's Prak- j j_t,j.j. t_-it_ ■ i. i-i- 



, , . , , der that term physical chemistry, which is 



tvkum fur morphologisehe und systemat- tit , . , . 



ische Botanik: B. L. R -562 applicable to the elucidation of the past 



history and present condition of the earth. 



Scientific Journals and Articles 665 It is thus a very definite branch of applied 



science, the exigencies of which call for the 



Discussion and Correspondence : — i ■ j? 



,„,-■■,„ . , „, . solution ot a groiip oi related problems. 

 The Utomach Stones of the Plesiosaurs: 



Professoe S. W. Williston 565 ■'^^^'^' ^^o^vever. possess great interest apart 



from their application to the globe, while 



Special Articles: — for the most part they offer very serious 



An Artificial Root for Inducing Capillary experimental and theoretical difficillties. 



Movement of Soil Moisture: L. J. Briggs, Had they been easy, they might have been 



A. G. McCali 566 goi^.g^j j^^g. ^g^^ f „j, j^^^^y ^^ ^j^^^g pj.^^_ 



Notes on Inorganic Chemistry:— l^ms have been propounded and more or 



Iron Hydroxid as an Antidote for Arsenic; ^*^®^ discussed from the birth of modern 



Phosphorescent Zinc Sulfidj Platinum. Sul- Science to the present day. Their diffi- 



fate: A Neio Carhid of Molybdenum: J. culty, not lack of recognition of their ini- 



^- H 569 portance, has postponed their solution. 



The American Association for the Advance- '^^^ ^"^^° P"^P°«« «* ^his paper is to 



ment of Science:— ^^al with the order in which it would be 



Minutes of the Committee on the Policy of expedient to investigate the questions em- 



the Association: Dr. l. 0. Howard 570 braced under the head of geophysics, but 



a brief and incomplete enumeration of the 



Scientific Notes and Nea:s 572 problems from a geological standpoint 



University and Educational News 576 ^^'^^^ ^^^"^^ ^0 lend a coherency and a human 



* Address delivered at the International Con- 



MSS. intended for publication and books, etc.. intended ^/^''' of Arts and Science, at St. Louis, before the 



for review should be sent to the Editor of Science, Qarri- (jreophysieal Section of Department 12, on Sep- 



son-on-HudBon, N. Y. tember 21, 1904. 



