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, edited by J. McKeen 

 Cattell and published every Friday by 



THE SCIENCE PRESS 



I 1 Liberty St., Utica, N. Y. Garrison, N. Y. 



New York City: Grand Central Terminal 



Annua] Subscription, $6.00 Single Copies, 15 Cts. 



Entered as second-class matter January 21, 1922, at the 



Post Office at Utica, N. Y., Under the Act of March 3, 1879. 



Vol. LVI SEPTEMBER 22, 1922 No. 1447 



~ CONTENTS 



The Department of Medicine at the Peking 

 Union Medical College: Db. Francis W. 

 Peabodt 317 



A First Course in General Chemistry: Db. 



WiLHELM SeGEEBLOM 320 



The Physico-chemical Mechanism of Mutation 

 and Evolution: Dr. Jerome Alexander.... 323 



Scientific Events: 



Animal Experiments in Great Britain; Re- 

 port of the Engineering Coimcil on WorTc- 

 Periods; Science Section of the Association 

 of College and Preparatory Schools of the 

 Middle States and Maryland; The Serschel 

 Centenary Pilgrimage; The International 

 Geological Congress 326 



Scientific Notes and News 380 



University and Educational Notes.. 334 



Discussion and Correspondence: 



TingitidcB or Tingidae: Dr. W. J. Holland. 

 The Glaciation of the Cordilleran Begion: 

 Thomas Large. A Suggestion to Zoo- 

 geographers : Emmett Eeid Dunn. Clin- 

 kertill — A new Metamorphic Mock: li. P. 

 Dove. The Homing of a Dog: W. D. 

 Harry 334 



Quotations : 



Controlling Eesearch Endowments 339 



Scientific Books: 



Noyes and Sherrill's Advanced Course of 

 Instruction in Chemical Principles: Pro- 

 fessor J. Livingston R. Morgan 340 



Special Articles: 



Sand Drown, a Chlorosis of Tobacco: Dr. 

 W. W. Garner, J. E. McMurtrey, E. G. 

 Moss. Transference of the Bean Mosaic 

 Virus T}y Macrosiphum solanifolii: Bay 

 Nelson. The Extension of the X-ray 

 into the Ultraviolet Spectrum: Dr. Otto 

 Stuhlman, Jr 341 



THE DEPARTMENT OF MEDICINE 

 AT THE PEKING UNION MEDI- 

 CAL COLLEGE 



The introduction of western medicine into 

 China has been due, thus far, largely to the 

 therapeutic success of surgery and the various 

 surgical specialties. Internal medicine has 

 lagged a long distance behind surgery both in 

 the attention which it has received in the mis- 

 sion hospitals and in the extent to which it 

 has influenced the Chinese people. One fre- 

 quently hears it said that the Chinese "like 

 western surgery, but they do not care for 

 western medicine," and a corollary is that for 

 "internal disease" they prefer to rely on the 

 native system of practice. The fact is, how- 

 ever, that our western internal medicine has 

 not yet been given a fair chance to demonstrate 

 its worth. Practitioners of western medicine 

 in China — for the most part, of course, mis- 

 sionaries — have found themselves confronted 

 by an enormous number of surgical problems, 

 many of them presenting direct emergencies, 

 and it is natural that these cases should have 

 received the first attention. Traumatic inju- 

 ries, infections and large superficial tumors can 

 often be easily and quickly alleviated, and 

 their cure produces a profound impression on 

 the patient and on his friends, but the diag- 

 nosis and treatment of strictly medical dis- 

 eases is much more time consuming and the 

 results are usually far less obvious and striking. 

 With the days so full of pressing surgical 

 problems and with the frequent lack of the 

 facilities for modern medical diagnosis, it is 

 not surprising that, with few exceptions, the 

 medical patients have received somewhat scant 

 attention. Even among the lower classes the 

 Chinese often manifest great power of dis- 

 crimination and an appreciation of careful, 

 thorough attention, and if western internal 

 medicine is to make its way with them it must 

 be presented in the best possible manner. 



