Miller, Prof. Benjamin Le Roy (U.S.A.
Department of Geology):

The Graphite Industry, 150.
Moorshead, T. C. :

The Glass Bottle Industry, 315.
Nakai, Minoru :

On Organic Compounds of Arsenic, 358.
Nuttall, Winifred Laurence Falkiner, M.A.:
A Revision of the Orbitoides of Christmas
Island, 382.

Oldham, Richard Dixon, F.R.S.:

Depth of Origin of Earthquakes, 412.
Ormandy, W. R., D.Sc. :

The Determination of Unsaturateds in
Motor Spirit, 316.

Ornstein, Prof. L. S. :

Light Quantum Theory of Dispersion,

186.

Orr, J. B., D.Sc. :

The Mineral Elements in Animal Nutri-
tion, 346.

The Mineral Elements in Animal Nutri-
tion, 251, 264.

Parker Smith, Prof. S., D.Sc. :

An All-Electric House, 391.

Partington, Prof. J. R., M.B.E., D.Sc. :
An Improved Form of Electric Vacuum
Furnace, 412.

Powell, A. R., and W. R. Schoeller, Ph.D. :
Analytical Chemistry of Tantalum, 267.
Ramachandran, S.:

A Note on the Precipitation of Bismuth
Trisulphide from Acid Medium, 135.
The Reaction Between Bismuth Trisul-
phide and Hydrochloric Acid, 294, 386.
Raman, Prof. C. V., F.R.S., and Sunhill
Krishna Datta :

On Brewster's Bands, 299.
Rayleigh, Lord, F.R.S.;
The Night Sky, 328.

Rideal, A. K.:

The Budde Effect in Bromine, 379.
The Kinetic Theory of Surface Films,
378.

Ridley, Geoffrey, N. :

Theories on the Constitution of Natural
Silicates, 305.

Rosenhain, Walter, D.Sc. :

The Inner Structure of Alloys, 317.
Sandford, Ramond, L.:

Effect of Wear and Tear on the Magnetic
Properties and Tensile Strength of Steel
Wire 325.

Saxon, Robert, B.Sc. :

Electrolysis of Equimolar Mixtures, 129.
Electrolytic Solution of Copper, 197.
Electrolytic Separation of Copper, 225.
The Formula of Cerium Hydride, 245.
The Electrolysis of Lead and Tin Ores,

Introduction to the Physics and Chemistry of Colloids, 238.

Kolloidchemie (Prof. Zisgmondy), 301. Laboratory Manual of Colloid Chemistry,

238.

L'Hydrogène et les Gaz Nobles, 205.
Les Méthodes Physiquées Appliquées à la
Chimie, 414.

Modern Inorganic Chemistry, 62.
Organic Derivatives of Antimony, 93.
Organic Synthesis, 14.

Paper Makers' Directory, 78.
Photo-Electricity, 221.

Physical Chemistry, A Summary of, 78.
Physikalische Chemie, 301.

Practical Physical and Colloid Chemistry, 383.

Principles and Practice of Industrial Distillation, 221.

Pronouncing Chemical Formula Speller, 93.
Report of the Rothamsted Experimental
Station, 174.

Science of Soils and Manures, 220.
Skinner's Cotton Trade Directory, 318.
Studies in Plant Physiology, 109.
Synthetic Hydrochloric Acid, 78.
Technology of Wood Distillation, 109.
Text Book of Organic Chemistry, 77.
The Chemistry of Enzyme Actions, 110.
The Effect of Pressure on Yeast Cells, 318.
The Extra Pharmacopoea, 189.
The Production of Precious Stones, 318.
The Surface History of the Earth, 333.
Trattato di Chimica Generale ed Applicata
all' Industria, 365.

New Patents, 14; Abstract, Cements, 15; 30; Abstract, Dry Processes of Extracting Copper, 30; 46; Abstract, Vaccines, 46; 62; Abstract, CelluloseDerivative Compositions, 62; Hexamethylenetetramine, 78; Synthetic Drugs, 94; Dyes, 110; Subdividing Glue, 126; Cellulose Acetate, 142; Formaldehyde, 158; Oleofine Oxides, 174; Purifying Oils and Other Liquids, 190; Anthraquinone Derivatives, 206; Formamide, 222; Nitrogen Peroxide, 239; Carboxylic Acids, 270; 287; Aldehydes, 303; Arsenates and Arsenic, Obtaining, 335; Sodium Pentaborate, 351; Formamide, 367; Dyeing Cellulose Esters, 384; Methanol and Higher Alcohols, 398; White Lead, 415.

New Trade Marks, 31, 47, 63, 79, 94, 111, 127, 148, 159, 175, 206, 223, 255, 270. 287, 319, 335, 351, 367, 384, 399, 415.

[End of Volume CXXXI."