Vol. XLIV.J Established by Edward L. Youmans. [No. 1. 



POPULAR SCIEICE 

 MOKTILY. 



NOVEMBER, 1893. 

 EDITED BY WILLIAM JAY YOUMA^''S. 



CONTENTS. TAOE 



I. The Conservation of our Oyster Supply. By R. F.Walsh. (Illus.) 1 



II. Evolution and Ethics. I. By Prof. Thomas H. Huxley, F. R.S. 18 



III. Laplace's Plan for Perpetual Moonlight. By Daniel Kirkwood. 36 



IV. Electricity at the World's Fair. II. By C. M. Lungren. (Illus.) 39 

 V. The Pestalozzian System. By Hon. George S. Boutwell 55 



VI, The Scientific Method with Children. By HE>fRT Lincoln Clapp. 57 



VII. Nature at Sea. By Prof. Francis H. Herrick. (Illustrated.). 69 



VIII. North and South American Aboriginal Names. By M. V. Moore. 81 



IX. Immaterial Science. By E. S. Moser 84 



X. An Argument for Vertical Handwriting. By Joseph V. Wither- 



bee. (Illustrated. ) 86 



XI. Vegetable Diet. By Laijy Walb. Paget 94 



XII. Origin of the Mississippi Valley Rainfall. By J. H. PATTON,Ph.D. 102 



XIII.' Mathematical Curiosities of the Sixteenth Century, By M. V. 



Brandicourt 106 



XIV. Birds' Judgments of Men. By M. Cunisset-Carnot 110 



XV. Sketch of John Ericsson. (With Portrait.) 112 



XVI. Editor's Table : The Bearing of the Doctrine of Evohition on Social Problen-.s. 



Science at the Columbian Exposition 121 



XVIL Literary Notices 126 



XVIII. Popular Miscellany 136 



XIX. Notes 143 



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