I. ANTHROPOLOGY.--The Study of Mankind.--A review of Prof.
Max Muller's recent address before the British Association. 13141
II. CHEMISTRY.--Standards and Methods for the Polarimetric
Estimation of Sugars.--A U.S. internal revenue report on
the titular subject.--2 illustrations. 13138
The Formation of Starch in Leaves.--An interesting
examination into the physiological _role_ of leaves.--1
illustration. 13138
The Water Molecule.--By A. GANSWINDT.--A very interesting
contribution to structural chemistry. 13137
III. CIVIL ENGINEERING.--Demolition of Rocks under Water
without Explosives.--Lobnitz System.--By EDWARD S.
CRAWLEY.--A method of removing rocks by combined
dredging and ramming as applied on the Suez Canal.--3
illustrations. 13128
IV. ELECTRICITY.--Electrical Standards.--The English Board of
Trade commission's standards of electrical measurements. 13129
The London-Paris Telephone.--By W.H. PREECE,
F.R.S.--Details of the telephone between London and
Paris and its remarkable success.--6 illustrations. 13131
The Manufacture of Phosphorus by Electricity.--A new
industry based on dynamic electricity.--Full details. 13132
The Two or Three Phase Alternating Current Systems.--By
CARL HERING.--A new industrial development in electricity
fully described and graphically developed.--15
illustrations. 13130
V. GEOGRAPHY AND EXPLORATION.--The Grand Falls of
Labrador.--The Bowdoin College exploring expedition and
its adventures and discoveries in Labrador. 13140
VI. MECHANICAL ENGINEERING.--Improved Changeable Speed
Gearing.--An ingenious method of obtaining different speeds
at will from a single driving shaft.--2 illustrations. 13129
Progress in Engineering.--Notes on the progress of the last
decade. 13129
VII. MEDICINE AND HYGIENE.--Eyesight.--Its Care during Infancy
and Youth.--By L. WEBSTER FOX, M.D.--A very timely
article on the preservation of sight and its deterioration
among civilized people. 13135
The Use of Compressed Air in Conjunction with Medicinal
Solutions in the Treatment of Nervous and Mental
Affections.--By J. LEONARD CORNING.--The enhancement of
the effects of remedies by subsequent application of
compressed air. 13134
VIII. MINERALOGY.--A Gem-Bearing Granite Vein in Western
Connecticut.--By L.P. GRATACAP.--A most interesting
mineral fissure yielding mica and gems recently opened. 13141
IX. NATURAL HISTORY.--Ants.--By RUTH WARD KAHN.--An
interesting presentation of the economy of ants. 13140
X. NAVAL ENGINEERING.--Armor Plating on Battleships--France
and Great Britain.--A comparison of the protective systems
of the French and English navies.--5 illustrations. 13127
The Redoutable.--An important member of the French
Mediterranean fleet described and illustrated.--1
illustration. 13127
XI. TECHNOLOGY.--New Bleaching Apparatus.--A newly invented
apparatus for bleaching pulp.--2 illustrations. 13133
* * * * *