230 



SCIENCE 



[N. S. Vol. LIV. No. 1393 



" The viscosity of ether at low temperatures 

 and solution of acetic acid in liquid hydrogen 

 bromide," by Dr. E. H. Archibald, Mr. C. E. 

 Stone and Mr. E. M. White. "Preliminary 

 report on the lubricating properties of the dif- 

 ferent series of hydrocarbons," by Dr. W. F. 

 Seyer. "An automatic mercury pump," by 

 Dr. D. F. Steadman. " Some results of the 

 destructive distillation of British Columbia 

 alder and Douglas fir," by Mr. W. A. Hardy. 

 " On the variation of the ' emanating power ' 

 of certain uranium minerals with temperature 

 and a new secondary radium emanation stan- 

 dard," by Dr. J. H. L. Johnstone. "The ef- 

 fect of thermo-luminescence on electrical con- 

 ductivity," by Mr. C. A. Mackay. "The 

 anemometer factor; pilot balloon methods in 

 Canada," by Mr. J. Patterson. " On some 

 new formulas foi' the direct numerical calcula- 

 tion of the coefficient of mutual induction of 

 coaxial circles ; " " On a new high frequency 

 vibration galvanometer ; " " On the photo- 

 graphic recording and measurement of radio- 

 telegraph signals ; " " On a new lecture room 

 illustration of atomic models," by Dr. Louis 

 V. King. " On the refractive indices of metal- 

 lic vapors," by Professor J. C. McLennan. 

 " On the absorption spectrum of liquid and 

 gaseous oxygen," by Mr. W. W. Shaver. " On 

 the structure of the Balmer series lines of 

 hydrogen," by Professor J. C. McLennan and 

 Mr. P. Lowe. " On the spectrum of helium, 

 hydrogen and carbon in the extreme ultra- 

 violet," by Professor J. C. McLennan and Mr. 

 P. A. Petrie. " On the liquefaction of hydro- 

 gen," by Professor J. C. McLennan. " Nitro- 

 phthalic anhydrides and acetylamino-phthalic 

 anhydrides with toluene and aluminium chlo- 

 rides," by Mr. W. A. Lawrence. " Brom- 

 phthalic anhydrides with benzene and alumin- 

 ium chloride," by Mr. H. N. Stephens. " The 

 effect of certain chemicals on the rate of repro- 

 duction of yeast," by Mr. N. A. Clark. " The 

 passage of hydrogen and of helium through 

 silica tubes," by Professor J. B. Ferguson and 

 Mr. G. A. Williams. " The action of methyl- 

 green on yeast," by Mr. W. B. Leaf. " Pres- 

 sure-volume relations of superheated liquids," 

 by Mr. K. L. Wismer. " Scattering of light 



by dust-free liquids," by Mr. W. H. Martin. 

 " Note of Wolski's paper on optically empty 

 liquids," by Professor F. B. Kenrick. " Re- 

 determination of the melting point of sodium 

 chloride," by Professor J. B. Ferguson. " Re- 

 searches in physical and organic chemistry 

 carried out in the chemical laboratory of the 

 University of Toronto," communicated by 

 Professor W. Lash Miller. " On the reduction 

 of the eireulants to polynominal form with 

 applications to the eireulants of the 7th and 

 11th degrees," by Dr. J. C. Glashan. " The 

 gravitation potential of an anchor ring; some 

 tidal problems," by Professor A. H. S. Gill- 

 son. " Law of distribution of particles in col- 

 loidal solutions," by Professor E. F. Burton 

 and Miss E. S. Bishop. " Production of heat 

 during charcoal absorption," by Mr. Stuart 

 McLean. " The relation between coagulative 

 power of electrolytes and concentration of col- 

 loidal solutions," by Professor E. F. Burton 

 and Mr. E. D. Maclnnes. " The radial veloci- 

 ties of 570 stars ; " " The orbit and dimen- 

 sions of TV Cassiopeae ; " " The temperature 

 control of the stellar spectrograph," by Dr. 

 J. S. Plaskett. " The orbital elements of the 

 brighter components of Boss 497 ; " " The 

 orbits of spectroscopic components of Boss 

 4622," by Mr. W. E. Harper. " The intensity 

 distribution in typical stellar spectra," by Mr. 

 H. H. Plaskett. "The solution of plane tri- 

 angles by nomographic charts," by Dr. S. D. 

 Killam. "Note on the geometrical equival- 

 ence of certain invariants," by Dr. Charles T. 

 Sullivan. " The interpolation of breaks in 

 tide curves for recording gauges," by Dr. W. 

 Bell Dawson. " The vertical movement of 

 alkali under irrigation in heavy clay soils ; " 

 " Notes on the nature of burn-outs," by Dr. 

 Frank T. Shutt and Miss Alice H. Burwash. 

 " Reversible pendulum," by Professor H. F. 

 Dawes. " Characteristic x-rays from boron," 

 by Professor A. L. Hughes. " A new experi- 

 ment in vibration," by Professor John Sat- 

 terly. " Note on the spectra of potassium ; " 

 "Note on infra-red spectroscopy," by Profes- 

 sor J. C. McLennan. " Selected radiation 

 emitted by specially excited mercury atoms," 

 by Mr. H. J. C. Ireton. 



