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

* * * * *




THE REDOUTABLE.


The central battery and barbette ship Redoutable, illustrated this
week, forms part of the French Mediterranean squadron, and although
launched as early as 1876 is still one of its most powerful ships.
Below are some of the principal dimensions and particulars of this
ironclad:

Length 318 ft. 2 in.
Beam 64 " 8 "
Draught 25 " 6 "