SCIENCE 



Editoeial Committee : S. Newcomb, Mathematics ; E. S. Woodwaed, Mechanics ; E. C. Pickeeing, 



Astronomy; T. C. Mendenhall, Physics; E. H. Thueston, Engineering; Iea Eemsen, Chemistry; 



J. Le Conte, Geology; W. M. Davis, Physiography; O. C. Maesh, Paleontology; W. K. 



Beooks, C. Haet Meeeiam, Zoology ; S. H. Scxtddee, Entomology ; N. L. Beitton, 



Botany; Henky F. Osboen, General Biology; H. P. Bowditch, Physiology; 



J. S. BlLLiNGts, Hygiene ; J. McKeen Cattell, Psychology ; 



Daniel G. Beinton, J. W. Powell, Anthropology. 



Friday, February 12, 1897. 



CONTENTS: 



Some Present Possibilities in the Analysis of Iron and 

 Steel: C. B. Dudley 241 



Toronto Sleeting of the British Association : A. B. 

 Macallum 251 



Geology at the British Association : W. W. WATrs..252 



delations of Tarsius to the Lemurs and Apes : 

 Charles Eaele 258 



The Primary Segmentation of the Brain : C. F. W. 

 McClure 260 



Charles E. Bendire : C. Haet Mereiam 261 



Current Notes on Physiography : — 

 Northwestern Oregon ; Glacial Deposits of Indiana ; 

 Scientific Geography of Italy ; Notes on Ashanti : 

 W. M. Davis 263 



Current Notes on Sleteorology : — 



Cloud Heights ; Fog Possibilities ; International 

 Balloon Neteorology : E. DeC. Waed 264 



Current Notes on Anthropology : — 



27(6 Shell Gorgets of North America ; TIte Bed Race 

 of Madagascar ; Glacial Slan in Ohio : D. G. 

 Beinton 265 



Notes on Inorganic Chemistry: J. L. H 266 



Scientific Notes and News : — 



A Director of Scientific Work for the Department 

 of Agriculture; Young's ^Reversing Layer;' 

 Motor Carriages; General 267 



University and Educational News 274 



Discussion and Correspondence : — 



' Compliment or Plagiarism ?' Beman and 

 Smith. Professor Jastrow's Test on Diversity of 

 Opinion: J. H. Hyslop 275 



Scientific Literature: — 

 Higher Slathematics : Alexander Ziwet. Ven- 

 able on the Development of the Periodic Law, 

 Mason's Notes on Quantitative Analysis, Cairns' 

 Manual of Quantitative Chemical Analysis : W. 

 A. N 277 



Scientific Journals : — 



TIieAuk; The Journal of Geology : H. F. B 281 



Societies and Academies : — 



The New York Academy of Sciences — Subsection of 

 Anthropology and Psychology: LIVINGSTON 

 Faeeand. Torrey Botanical Club: Edwaed 

 S. BuEGESS 283 



New Books 284 



SOME PEESENT POSSIBILITIES IN THE 

 ANALYSIS OF IRON AND STEEL."^ 

 To the analytical chemist there are few 

 substances in nature more interesting than 

 a piece of pig iron, few substances which 

 have received more study, and few which 

 present chemical problems more difficult of 

 solution. The amount of work which has 

 already been done in connection with this 

 very common but very complex substance 

 is something enormous. Indeed, if we add 

 to the study which has already been put on 

 pig iron itself the work which has been 

 done on what may perhaps fairly be called 

 its progenitors, vis., the ores, the fuel, 

 the flux and the refractory materials 

 used in its production, and then consider 

 still further the labor already expended in 

 the analysis of what we may call the prog- 

 eny of pig iron, viz., castings, wrought iron, 

 malleable iron and the numerous grades 

 and kinds of steel, made by the various 

 processes of the present day, we shall surely 

 be safe in saying that more chemical work 

 has been done in connection with pig iron 

 than with any other substance in nature. 

 Is it too much to affirm that at the present 

 time one-third, possibly one-half, of all the 

 chemical work do ne in the world is in con- 

 nection with the iron industry, either in 

 the solution of unworked-out problems, the 



* Presidential address delivered at the Troy meet- 

 ing of the American Chemical Society, Decemher 29, 

 1896. 



