different forms of clouds. 9797

VIII. MISCELLANEOUS.--The British Association.--Portraits
of the president and section presidents of the late
Manchester meeting of the British Association for the
Advancement of Science, with report of the address of the
president, Sir Henry E. Roscoe.--9 illustrations. 9783

IX. PHYSIOLOGY.--Hypnotism in France.--A valuable review of
the present status of this subject, now so much studied in
Paris. 9795

The Duodenum a Siphon Trap.--By MAYO COLLIER, M.S., etc.--A
curious observation in anatomy.--The only trap found in the
intestinal canal.--Its uses.--2 illustrations. 9796

X. TECHNOLOGY.--Apparatus for Testing Champagne Bottles and
Corks.--Ingenious apparatus due to Mr. J. Salleron, for use
especially in the champagne industry.--2 illustrations. 9786

Celluloid.--Notes of the history and present method of
manufacture of this widely used substance. 9785

Centrifugal Extractors.--By ROBERT F. GIBSON.--The second
installment of this extensive and important paper, giving
many additional forms of centrifugal apparatus--12
illustrations. 9789

Cotton Industries of Japan.--An interesting account of the
primitive methods of treating cotton by the Japanese.--Their