Issue Title

SCIENTIFIC AMERICAN SUPPLEMENT NO. 664

NEW YORK, SEPTEMBER 22, 1888

Scientific American Supplement. Vol. XXVI., No. 664.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.


TABLE OF CONTENTS.
PAGE.
I.ARCHITECTURE.—The Commercial Exchange, Paris.—Historyof the new building, with its general design and architectural features.—2illustrations10607
The New Central Railway Station at Frankfort-on-the-Main.—Afull description of this gigantic structure, with its constructivefeatures and cost.—2 illustrations10605
II.ART OF WAR.—Gun Practice in the French Navy.—Gun practiceat sea against a moving target.—1 illustration10599
Modern Cavalry on the Field of Battle.—By Col. R. S. Liddell.—Anexhaustive paper on this subject, treating of a much discussedbranch of military tactics10600
III.BIOLOGY.—Subterraneous Flora and Fauna.—By Dr. OttoZacharias.—A popular article on the interesting subject of animaland vegetable life underground.—8 illustrations10612
IV.CHEMISTRY.—Pepsin.—By A. Percy Smith, F.I.C., F.C.S.—Theanalysis of pepsin, difficulties of the usual method, and simplecomparative test, applicable by any one10611
V.CIVIL ENGINEERING.—Timber and Some of Its Diseases.—ByH. Marshall Ward.—Continuation of this valuable series,treating of fungus life and its destructive effects.—5illustrations10613
VI.ELECTRICITY.—A Basis from which to Calculate Charges forElectric Motor Service.—A practical paper treating of the percentageof horse power hours used in different industries10608
VII.ETHNOLOGY.—A Chinese Imperial Cemetery.—The cemeteryof the emperors of the Ming dynasty.—The remarkable statuesand buildings.—2 illustrations10610
How a Mound was Built.—An interesting contribution to thehistory of the Ohio mounds by Mr. Gerard Fowke10609
Some Abyssinian Customs.—The hair dressing of the Abyssinianwomen.—Their method of grinding pepper.—3 illustrations...

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