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ALLBUTT, T. Clifford, University of Cambridge. 



System of JMedicine and Gynaecology. Complete in nine volumes. 



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BOTTOME, S. R. 



Radium, and All About it. % p. 12mo, il., paper 35 cts., net. 



BOl'NTOIV, William Pingry, University of Oregon. 



Applications of the Kinetic Theory^of Gases, Tapors, Pure 

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DEXTER, Edwin Grant, University of Illinois. 



Weather InHuences. An Empirical Study of the Mental and Physiological 

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 LL.D. 31-I-28G pp. 8vo, cl., f2.00 net. 



GIBBONS, Edward E., University of Maryland, Baltimore. 



The Eye : its Refraction and Diseases. The Refraction and Func- 

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 Explanatory Cuts and Diagrams. 



9 + 472 pp. 4to, il., cl., $5.00 net, half morocco, $6.50 net. 



HASTIJVGS, William W. 



A Manual for Physical Measurements. For use in Normal Schools, 

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 from Five to Twenty Years and Vitality Coefficients. 



Edition for Boys and Girls. 18-(-122 pp. Large 4to, il., cl., $2.00 net. 



Edition for Boys. 15-)-95 pp. Large,4to, il., cl., $1.50 net. 



METCAEF, Alaynard IW., Womati's College of Baltimore. 



An Outline of the Theory of Organic Evolution. With a Descrip- 

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NICHOLS, Edward L., and William S. FRANKLIIV, Cornell University. 



Tlie Elements of Physic. A College Text-Book. In Three Volumes. Vol- 

 ume I. — Mechanics and Heat. Third edition, rewritten with additions. 



10+290 pp. 8vo, cl., $1.90 n^■^ 



RIGHI, Augusto, University of Bologna. Authorized Translation by Augustus Trowbridge, 

 University of Wisconsin. Modern Theory of Physical Phenomena. 



Radio-Activity, Ions, Electrons. 13+165 pp. 12mo, cl., 1-1.10 net. 



RUTHERFORD, E., McGill University, Montreal. 



Radio-Activity. 8+399 pp. 8vo, il., ch, $3.50 net. 



SHEARER, John S., Cornell University. 



Notes and Questions in Physics. New edition. 



7+284 pp. 8vo, il , cl., $1.00 net. 



SWENSOX, Bernard Victor, and FRANKENFIELD, Budd. 



Testing of Electro-Magnetic Machinery and other Apparatus. 



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WEYSSE, Arthur Wisswald, Ma&sachusetts Institute of Technology. 



A Synoptic Text-toook. of Zoology. For Colleges and Schools. 



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WH1TTARER,E.T., Trinity College, Cambridge. 



A Treatise on the Analytical Dynamics of Particles and Rig- 

 id Bodies. With an Introduction to the Problem of Three Bodies. 



" 13-t-414pp. Imperial 8vo, cl., $4.00 



WILLIS, J. C, Royal Botanic Gardens, Ceylon. 



A Manual and Dictionary of the Flowering Plants and Ferns. 



Second edition, revised and rearranged, in one volume. 



Cambridge Biological Series. 21+67 pp. 12mo, il, cl., $2.75 net. 



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