Miscellaneous Intelligence. 237 



P. H. Van der Weyde: A peculiar form of undulatory current suited to tele- 

 graphing on telephone circuits. Some notes on standard cells. 



C. F. De Landero: A relation between the quantities of heat combination in 

 aqueous solution. 



E. B. Elliott: The mutual action of the elements of an electric current. 

 Cleveland Abbe: The Signal Service bibliography of meteorology. 



Section C. — Chemistry. 



Frederick: B. Power and Henry "Weimar: The constituents of wild cherry 

 bark. 



L. M. Norton : The fatty acids of the drying oils. 



H. W. Wiley: The chemical composition of the juices of sorghum cane, in re- 

 lation to the production of sugar. 



WrLLiAM P. Mason : Percentage of ash in human bones of different ages. 

 Standardizing hydrometers. 



T. H. Norton: The occurrence in nature of a copper antimonide. A new ap- 

 paratus for fractional distillation. Certain alloys of calcium and zinc. The salts 

 of benzene-sulphonic acid with the amines. Some new metallic salts of benzene- 

 sulphonic acid. The amine salts of para-toluene-sulphonic acid. The action of 

 silicon fiouride on acetone. The limits of the direct bromination of acetone and 

 on the action between ammonium sulphocyanide and monobrom-acetoue. The 

 action of chlorine on acenaphthene. The urates of ammonium and the amines 

 of the fatty acids. Some new nitroprussides. 



Edward W. Morley: Amount of moisture left in a gas after drying with 

 phosphorus pentoxide. 



W. H. Herrick: Improvement in stand for electrolysis. Indirect determina- 

 tion of calcium. 



Arthur L. Green: A process for the separation of alkaloidal poisons, for 

 students' use. 



W.- 0. Atwater: The determination of nitrogen by soda-lime. Chemical 

 changes accompanying osmose in living organisms as illustrated by the oyster. 



Albert N. Leeds : Causes, progress and cure of the recent outburst of typhoid 

 fever at Mt. Holly, N. J. The scientific basis of the feeding of infants. 



F. G-. Novr: Analysis of two manganese mineral waters. Some higher homo- 

 logues of cocaine. 



H. W. Weld : Composition of Lockport sandstone. 



Wu. McMurtrie : Notes on the chemistry of germination. Note on absorp- 

 tion of nitrogenous nutriment by the roots of plants. 



Spencer B. Newberry: The significance of "bonds " in structural formulas. 



Albert B. Prescott : Positive and negative units of valence. 



E. W. Hilgard : The processes of soil formation from the northwestern basalts. 



C. F. Mabery: Anew method for the preparation of anhydrous aluminium 

 chloride. The action of aromatic amines upon certain substituted unsaturated 

 acids. Constitution of the sulphur compounds in crude petroleum oils. 



Helen C. DeS. Abbott: A compound rich in carbon occurring in some plants. 

 ' E. H. S. Bailey and E. L. Nichols: The delicacy of the sense of taste. 



Section D. — Mechanical Science and Engineering. 



Pi. H. Thurston: Nicaraguan woods. Friction of engines. 



Albert R. Leeds: The American system of water purification. 



H. T. Eddy: A new method of finding an equivalent uniform load, producing 

 bending moments approximately equal to the maximum moments under a moving 

 train. The deflection of girders and trusses. Reaction polygons and their prop- 

 erties. 



Charles E. Monroe : An improved method for testing metals. 



DeYolson Wood: Effect upon the strength of iron of subjecting it to a pull 

 while hot. Rankine's solution of the problem of turbines. Downward draft 

 device for a furnace. 



J. Burkitt Webb: A new high speed steam engine indicator. 



D. S. Jacobus: Errors of approximate calculations of the effect of the inertia 

 of the moving parts of a steam engine. 



