Friday, January 20, 1911 



COtfTE'NTS 

 The American Association for the Admanoe- 

 ment of Science: — 

 The Relations ietween Jupiter and the 

 Asteroids: Pkofessor Ebnest W. Bbown 79 



Or game Response: De. D. T. MacDougal . . 94 



Educational and Industrial Efficiency: Pbesi- 



DENT RiCHABD C. MaCLAUBIN 101 



Scientific Notes amd News 103 



University and Educational News 106 



Discussion and Correspondence: — 



Special Committees on Zoological Nomen- 

 clature: Db. C. W. Steles. Facts and 

 Principles: Peofessob Sidney Gunn .... 107 



Scientific Books: — 



VoM Hise on the Conservation of Natural 

 Resources in the United States: W J M. 

 Ohesneau on Theoretical Principles of the 

 Methods of Analytical Chemistry: Peo- 

 fessob M. A. ROSANOFF 108 



Scientific Journals and Articles 112 



Special Articles: — 

 Elliptic Interference in Connection with 

 Reflecting Grating : Pkofessoe Cabl Babus 113 



The American Society of Naturalists: De. 

 Chas. R. Stockaed 113 



The American Chemical Society: Peofessob 

 Chaeles L. Paesons 114 



The American Physiological Society: Peo- 

 fessob A. J. Caelson 115 



Tlie American Mathematical Society: Pbo- 

 FESSOE F. N. COIE 117 



The Southern Society for Philosophy and 

 Psychology : Pbofessoe R. M. Ogden .... 118 



J!SS. intended for publication and booka, etc.. intended. JO! 

 review should be sert to the Editor oi Science, Garriaom-OQ' 

 Hudson. N, Y. 



THE AMERICAN ASSOCIATION FOR THE 

 / ADVANCEMENT OF SCIENCE 



THE RELATIONS BETWEEN JUPITER AND 

 THE ASTEROIDS^ 



The story of the smaller bodies wMeh 

 form part of the solar system belongs al- 

 together to the nineteenth and twentieth 

 centuries. The discovery of Ceres on the 

 first of January, 1801, followed by those 

 of Pallas, Juno and Vesta, in the next six 

 years, gave promise of a new field for the 

 astronomer. Nearly forty years, however, 

 elapsed before any more were found. The 

 improvements in star maps about the mid- 

 dle of the century enabled observers to de- 

 tect new objects more easily, so that from 

 1845 to 1860 over sixty were captured. 

 Since that time scarcely a month but 

 brings one or more to the list, and now 

 nearly 700 are known. But this by no 

 means completes the tale. New asteroids 

 are constantly being recorded and receive 

 a temporary designation and are perhaps 

 observed two or three times. In fact the 

 number of new discoveries has become too 

 great for the few astronomers interested to 

 obtain orbits of sufficient accuracy for fu- 

 ture observation. It has become a ques- 

 tion whether the search should be con- 

 tinued, and if so what plan should be 

 adopted for the computation of the orbits. 



To the student of celestial mechanics 

 these small bodies furnish many interest- 

 ing problems. The older planets and our 

 own moon have had such thorough atten- 

 tion accorded to the study of their mo- 

 tions, that the outstanding difficulties are 

 almost solely in the last refinements and 



^Address by the retiring vice-president of Sec- 

 tion A, American Association for the Advance- 

 ment of Science, Minneapolis, December 28, 1910. 



