256 



SCIENCE 



N. S. Vol. XXX. No. 764 



The Effect on Insoluble Phosphorio Acid when 

 Litmus, Corallin and Cochineal are used in Pre- 

 paring Solution of Ammonium Citrate: G. A. 

 Faenham. 



The Availability of Certain Nitrogenous Manures : 

 Burt L. Haetwell. 



Moisture in Phosphate Rock of the Pacific: Cabl- 

 TON C. Jones. 



INDUSTRIAL CHEMISTS AND CHEMICAL ENGINEERS 



A. D. Little, chairman 

 B. T. B. Hyde, secretary 



Limitations of Use of Starch as an Accelerator in 

 the Fusion Method: C. K. Francis. 



The Technical Determination of Caoutchouc in 

 Quayule: Charles P. Fox. 



Laboratory Reagents and C. P. Chemicals: Clar- 

 ence RlEQEL. 



Standard Hydrometers : Louis A. Fischer and N. 

 S. Osborne. 



The Temperature Work of the Bureau of Stand- 

 ards: C. W. Waidnee. 



On the Influence of the Temperature of Burning 

 on the Rate of Hydration of Magnesium Oxide: 

 Edward DeMille Campbell. 



The Electrotitrimeter: H. P. Bishop. 



The Present Status of the Chemistry of India 

 Rubber: W. C. Geeb. 



Free Lime in Portland Cement — A Mill Study: 

 Arthur G. Smith. 



The Inspection of Material: J. E. Mooee. 



Bag-house Treatment of Blast Furnaces and 

 Roaster Gases: W. C. Ebaugh. 



Hygienic Significance of Sulphur in Illuminating 

 Gas: F. E. Gallagher. 



The Destructive Distillation of Coals for Illu- 

 minating Gas: An Experimental Study: Alfeed 

 H. White. 



The Determination of Fat and Soap in Sewage 

 and Sewage Effluents: L. P. Kinnicutt. 



Observations upon the Direct Determination of 

 Carbon in Various Steels: G. W. Saegent. 



Determination of Nitrates in Potable Water: 

 Robert Spube Weston. 



The Ash of Coal and Its Relation to Actual or 

 Unit Coal Values: S. W. Pare and W. F. 

 Wheelee. 



The Analysis of Asphalt and Asphaltic Com- 

 pounds: S. W. Pare, Bbaineed IIeeas and D. 

 L. Weatherhead. 



A Series of Parallel Determinations ivith the 

 Mahler and Parr Calorimeters: S. W. Pars 

 and W. F. Wheeler. 



Further Application of the Specific Qramty 

 Method for Determining Fat: Chas. H. Heety 

 and E. J. Newell. 



Some New Extractives for Use in Determining 

 Fats: Chas. H. Heett. 



Some Technical Applications of Titanium: Isadoe 

 Ladoff. 



The Neio Brady Gas Apparatus: William Beady. 



A New Oil Gas Producer: A. B. Davis. 



Manganese in Steel — a note: A. Aucht. 



The Analysis of Lead Arsenate for Water Soluble 

 Impurities: Roger C. GEiFriN. 



The Bouquet of Wine and Beer: N. H. Claussen. 



The Importance of Pedigree Cultures of Barley 

 for Brewing Purposes: A. NiLSON. 



The Decomposition of Calcium Carbonate by 

 Steam: Wareen K. Lewis. 



The Structure of Tin Plate as Determined by its 

 Method of Manufacture: Wm. H. Walkee and 

 Waeren K. Lewis. 



Paint and Varnish Coatings as Accelerators in the 

 Corrosion of Metals: Wm. H. Walkee and 

 Waeeen K. Lewis. 



Convenient Illuminator for the Microscopic Exam- 

 ination of Opaque Objects: Wiet Tassin. 



Copper-clad Steel — A Recent Metallurgical Prod- 

 uct: Wiet Tassin. 



A Simplified Combustion Crucible: P. W. Shimee. 



Note on a Convenient Condenser for Extractions : 

 David Bloom. 



Barium and Sulphur in Fluorspar : H. G. Martin. 



Cyanidation of Silver Minerals: Theo. P. Holt. 



The Preparation of Sodium Oxalate for Use in 

 Standardizing : John T. Bakee. 



Commercial Aspects of Peat as a Source of Chem- 

 ical Products: Chaeles A. Davis. 



Estimation of Pyridine in Aqueous Ammonia: A. 

 C. Houghton. 



Studies in the Solubility of Portland Cement: 

 G. G. Wheat. 



The Twitohell Process of Glycerine Recovery as 

 Compared with the Ordinary Soap-kettle Sa- 

 ponification: 0. T. JOSLIN. 



Vac^mm Evaporation: Philip B. Sadtlee. 



The Consumption of the Common Acids in the 

 United States: Chaeles E. Munboe. 



The Dynamic Explosion of a Water Filter: 

 Chaeles E. Muneoe. 



B. E. Cubeie, 



Press Secretary 

 Transmitted by Chaeles L. Parsons, 



Secretary 

 {To be concluded) 



