IV. ELECTRICITY, MICROSCOPY, ETC.-Apparatus for demonstrating
that Electricity develops only on the Surface of Conductors.--1
figure

The Colson Telephone.--3 engravings

The Meldometer.--An apparatus for determining the melting
points of minerals

Touch Transmission by Electricity in the Education of Deaf
Mutes.--By S. TEFFT WALKER.--With 1 figure

V. HORTICULTURE.--Candelabra Cactus and the California Woodpecker.--By
C.F. HOLDER.--With 2 engravings

How Plants are reproduced.--By C.E. STUART.--A paper read
before the Chemists' Assistants' Association

VI. MISCELLANEOUS--The Origin of Meteorites.--With 1 figure

* * * * *




THE USE OF IRON IN FORTIFICATION.


Roumania is thinking of protecting a portion of the artillery of the