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Science, Vol. 21, No. 518, Jan. 6, 1893


Previous Issue: Vol. 20, No. 517, Dec. 30, 1892
Next Issue: Vol. 21, No. 519, Jan. 13, 1893


The Microscope and the Study of the Crystalline Schists, pp. 1-2
George H. Williams

Worcester School Children.--The Growth of the Body, Head, and Face, pp. 2-4
Gerald M. West

Bird-Music in August, pp. 4-5
Mary Hyatt

A Rare Form of Polished Stone Implements and Their Probable Use, p. 5
Walter Hough

Ethnographical Survey of the United Kingdom, p. 5
E. W. Brabrook

[Editorial Notes], p. 6
How Many Archæan Rock-Groups Have We in Great Britain?, p. 6
Ch. Callaway


Letters to the Editor
Is the Maya Hieroglyphic Writing Phonetic?, pp. 6-10
Dr. Seler
Irrigation Surveys, p. 10
Richard J. Hinton
Geographical Variation in Birds, pp. 10-11
Lynds Jones
On the Use of the Compound Eyes of Insects, p. 11
W. H. Dollinger
Discovery of Mexican Feather-Work in Madrid, p. 11
Agnes Crane
Is It Instinct or Intelligence, pp. 11-12
Mary E. Holmes


Book-Reviews
----------------, pp. 12-13
Deep-Sea Sounding
Capt. A. S. Barker
----------------, p. 13
Elements of Graphical Statics
L. M. Hoskins


Among the Publishers, p. 13
Back Matter (3 pp.)

Previous Issue: Vol. 20, No. 517, Dec. 30, 1892
Next Issue: Vol. 21, No. 519, Jan. 13, 1893



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