SCIENCE 



Peidat, NovBMBEK 8, 1912 2'ff^ AMEBICAN ASSOCIATION FOB TSM 



^ ADVANCEMENT OF SCIENCE 



CONTENTS MICSOOSGANISMS OF TEE SOIL^ 



The American Association for the Advance- Qtt^tt r,+„i„™ 4. iiii, -i • j. 



ment of Science.— ^^^^ statements as the soil IS not a 



Micro-organisms of the Soil: Peofessoe mere sponge, but is teeming with life" or 



Geokge T. MooEE 609 that "the earth is one of nature's vast 



Plant Food in Belation to Soil Fertility: laboratories in which microscopical won- 



Peopessob Cyeil G. Hopkins 616 der-workers perform incredible experi- 



The Fifth International Congress of Mathe- ments" may have been unusual enough at 



maticians: Peopessoe A. B. Ceathoene . . 622 one time to attract attention ; but no longer 



The New England Geological Excursion: Peg- is the presence or performances of these 



PEssoE Heedman F. Cleland 624 inhabitants of the soil of such novelty as 



The Pageant at Mount HolyoJee College 625 ^ startle or dismay us. Indeed SO accus- 



a ■ ^-^ -KT ^ ^ ,T „^„ tomed have we become to the idea that 



Scientific Notes and News 626 , „ ^ , 



each gram or the upper layers of the earth 



University and Educational News 631 jg filled with its millions or billions of bac- 



Viscussion and Correspondence: — teria, that the tendency is to ascribe all 



The First Use of Trinidad Pitch for functions of the soil to its micro-flora and 



EooEB H. Williams 632 improbable, so long as we may fall back 



Scientific BooTcs:- ^P°^ *^^ ^°^^ bacteria to account for it. 



Heredity and Eugenics: Peopessoe Leon '^^^ apologetic statement only a short 



J. Cole. Browne's Handbook of Sugar while ago of a German investigator, that 



Analysis: Dr. F. G. Wibchmann. Grata- ^„ i, 4?j- n j.i i • i t,- 



cap's Popular Guide to Minerals: Peo- perhaps, alter all, the chemical condition 



PEssoB W. B. Ford 634 of the soil might have almost as much to 



Special Articles:— ^° "^i*^ ^ given condition as the bacteria, 



Antagonistic Action of Electrolytes and illustrates, if nothing else, the great 



PermeaiilUy of the Cell Memirane: Peg- changes that have taken place in our con- 



PESSOE Jacques Loeb. Vital Staining of • n f y^i^i. >^uja 



Chromosomes and the Function and Struc- ception of the constitution of the earth's 



ture of the Nucleus: Des. G. l. Kite and surface during the last twenty years. To 



Egbert Chambers, Je. Experiments with . *^ •' 



Desiccated Thyroid, Thymus and Supra- attempt to indicate the relative places of 



renals: De. f. b. Chidesteb. Newly Dis- the various aspects of science which are 



covered Eurypterids in Nebraska: Peg- , . , , „ , 



PEssGB Erwin h. Baebode. Some Neces- concerned m problems ot the soil would 



sary Changes in Cephalopod Nomenclature: be as useless as it is impossible, but I misht 



S. 8. Beeey 637 „ ^ ^.i . -r -, „ 



as well say at once that I do not feel that 



Societies and Academies: — the situation calls for any particular glori- 



The Anthropological Society of Washington 646 fieation of the biologist. I do not wish to 



^ Presented at the Symposium on Soils at the 



M9S. intended for publication and books, etc., intended for -rrr i,*— ^.^ ,« j.- — j j.t_ a • a • j_- 



>.,i<.w =i,„„i.i K t» »K TJJ-* ""<"^», "'•'". »"'^"">=u lur Washington meetmg of the American Association 



review Bhould be sent to the Editor of Scikmce, Garrison-on- ^ 



Hudson N. Y. for the Advancement of Science. 



