Mat 24, 1907] 



SCIENCE 



805 



The Bacteriology of Flax Betting:, George 

 T. Moore, Ph.D., of West Chester, Pa. 



Note as to the Measurement of the Action 

 of Water upon Zinc and Lead: Dr. 

 William Pitt Mason, of Troy, N. T. 



New Results in Electro-Analysis: Dr. Ed- 

 gar F. Smith, of Philadelphia. 



The Production of Synthetic Alcohol: 

 Dr. Harvey W. Wiley and Herman 

 ScHREiBER, of Washington, D. C. 



The Progress of the Isthmian Canal: Dr. 

 Elihu Thomson, of Swampscott, Mass. 



On the Transportation Crisis: Professor 

 Lewis M. Haupt, of Philadelphia. 



The Princeton Archeological Expedition to 

 Syria: Howard Crosby Butler, of 

 Princeton. (Lantern illustrations.) 



The Association Theory of Solutions: Pro- 

 fessor William F. Magie, of Princeton. 



The Groups which are Generated hy Two 

 Operators of Order Two and Four 

 respectively, where Commutator is of 

 Order Two: Professor G. A. Miller, of 

 Urbana, 111. 



SATURDAY, APRIL 20 



Santa Cruz Typotheria: W. J. Sinclair, 

 of Princeton. (Lantern illustrations.) 



Santa Cruz Birds: Marcus S. Fare, of 

 Princeton. 



Restorations of Santa Cruz Mammals: 

 Professor William B. Scott, of Prince- 

 ton. 



On the Temperature, Secular Cooling and 

 Contraction of the Earth, and on the 

 Theory of Earthquakes held iy the An- 

 cients: Dr. T. J. J. See, of the U. S. 

 Naval Observatory, Mare Island, Cali- 

 fornia. 



On Continental Development: Bailey Wil- 

 lis, M.E., of Washington. 



A Study of the Mean Temperatures of the 

 Surface of the Moon, Earth and other 

 Planets: Professor Cleveland Abbe, of 

 Washington. 



The Solar Corona: W. W. Campbell, of 

 Lick Observatory, California. (Illus- 

 trated.) 



Astronomical Photography: Professor B. 

 B. Barnard, of Yerkes Observatory, Wil- 

 liams Bay, Wis. 



Conservative Systems with Prescribed Tra- 

 jections: Professor B. 0. Lovett, of 

 Princeton. 



Comparison of Results of Observations at 

 the Flower Observatory for the Years 

 1905 and 1906, with the Wharton Reflex 

 Zenith Tube and the Zenith Telescope: 

 Professor C. L. Doolittle, of Upper 

 Darby, Pa. 



Comparison of Results of Latitude Ob- 

 servations at the Say re Observatory, 

 South Bethlehem, and at the Flower 

 Observatory, Philadelphia, from, Sep- 

 tember 30, 1904, to September 3, 1906: 

 J. H. Ogburn, of Bethlehem, Pa. 



Two Remarkable Double Stars: (a) the 

 short period Binary, Hough 212, and 

 (&) the Stellar System Krueger 60: 

 Eric Doolittle, of Upper Darby, Pa. 



THE SOCIETY OF AMERICAN 

 BACTERIOLOGISTS 



The eighth annual meeting of the So- 

 ciety of American Bacteriologists was held 

 in New York during Convocation Week. 

 The meetings were held at the College of 

 Physicians and Surgeons, and at the Rocke- 

 feller Institute, the latter in conjunction 

 with Section K of the American Associa- 

 tion for the Advancement of Science. 



The first session of the society was held 

 on Thursday morning, December 27, in the 

 main lecture room of the College of Phy- 



