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. 



Editorial Committee : S. Newcomb, Mathematics ; R. S. "Woodward, Mechanics ; E. C. Pickering, 

 Astronomy ; T. C Mendenhall, Physics ; R. H. Thurston, Engineering ; Ira Remsen, Chemistry ; 

 Joseph Le Conte, Charles D. Walcott, Geology ; W. M. Davis, Physiography ; Henry F. 

 OsBORN, Paleontology ; W. K. Brooks, C. Hart Merriam, Zoology ; S.H. Scudder, Entomol- 

 ogy ; C. E. Bessey, N. L. Britton, Botany ; C. S. MiNOT, Embryology, Histology ; H. P. 

 BowDiTCH, Physiology ; J. S. Billings, Hygiene ; William H. Welch, Pathology ; 

 J. McKeen Cattell, Psychology ; J, W. Powell, Anthropology. 



Friday, July 12, 1901. 



CONTENTSi : 



The Carnegie Technical University 41 



A National Unioersity 45 



Radio-active Substances and their Radiations : Dr. 

 Geo. B. Pegram 53 



The American Association for the Advancement of 

 Science 59 



Scientific Books: — 



Giglio-Tos on Les prohlemes de la vie : J. P. 

 McM. DeBary^s Vorlesungen iiher Bakterien ; 

 FrosVs Bacteriology : E. 0. J. Hamilton's Ele- 

 ments of Quaternions : PROFESSOR ALEXANDER 

 Macfarlane 63 



Societies and Academies : — 



The Research Clith of the University of Michigan : 

 Professor Frederick C. Newcombe. The 

 Texas Academy of Science : Professor Fred- 

 eric W. SiMONDS. The Torrey Botanical Club : 

 Professor Edward S. Burgess. The Acad- 

 emy of Sciences of St Louis: Professor Will- 

 iam Trelease 66 



Current Notes on Physiography : — 

 Neiv 3Iap of the Mississippi ; The River Spey ; 

 TheRies: Professor W. M. Davis 70 



Botanical Notes : — 



^Save your Puff-balW; A New Work on Trees and 

 Shrubs; The Oaks on the Continental Divide: 

 Professor Charles E. Bessey 72 



The Conferring of Degrees at the University of 

 Chicago 73 



The A merican Philosoph ical Society 74 



The American Association for the Advancement of 

 Science , . . , 74 



Scientific Notes and News 75 



University and Educational News 80 



MSS. intended for publication and books, etc., intended 

 for review should be sent to the responsible editor, Pro- 

 fessor .J. McKeen Cattell, Garrison-on-Hudson, N. Y. 



THE CARNEGIE TECHNICAL UNIVERSITY. 

 It was some weeks ago announced by the 

 daily press as definitely settled that Pitts- 

 burg is to have a great technical institution, 

 especially adapted to its peculiar needs and 

 to be made, in its industrial field, as com- 

 plete and admirable as the Carnegie Insti- 

 tute of that city has become in art and 

 aesthetics. Mr. Carnegie, who has now 

 placed the Scotch universities in a compar- 

 atively comfortable position by an endow- 

 ment of ten millions of dollars, and has thus 

 contributed to the cause of liberal educa- 

 tion more than has ever been before given 

 by any individual in a single gift, has 

 now determined to do something on a lib- 

 eral scale for that department which most 

 naturally appeals to his personal sympa- 

 thies — education in applied sciences — and 

 he has agreed to supply the funds for the 

 new foundation. The organization of the 

 institution has been entrusted to the local 

 Board of Trustees, already having charge 

 of the Carnegie Institute and the Carnegie 

 Library at Pittsburg. This body has ap- 

 pointed a committee ' On Plan and Scope ' 

 and this committee, in turn, has called in 

 experienced and expert advisers to aid them 



