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INDEX OF VOLUME VII (1907) BY TITLES.

Caesium, The Metal ............................................. 236

Calendar Reforms and Metric Reforms. RUFUS P. WILLIAMS....... 457
Canalization of Streams, The. ROBERT M. BURNS ......

658
Carat, A Metric. R. P. WILLIAMS ..

783

Central Association of Science and Mathematics Teachers ..

...........63, 65, 67, 70, 706

Central Iowa Association of Science and Mathematics Teachers ..... 542

Chemist, The Training of the Industrial. W. D. RICHARDSON ........ 108

Chemistry Symposiums. The Notebook-

A. £. PERKINS .....

557

H. S. REED .......

55.0

HARRY C. DOANE ...

0.2

F. C. IRWIN .....

65.)

Chemistry Teachers, New England Association of .....

151

Chromite in 1906, Production of..

687

Coal, Notes on Production of ..

135

Coefficient of Linear Expansion of a Metal Tube, Apparatus for the

Determination of the. E. T. BUCKNELL ...
Comments on Mr. Cavanagh's Article. WM. B. BORGERS .........:
Committee on Coöperation, Report of the. C. E. PEET and W. S.

McGEE ......

Communication, A. NELSON L. RORAY....

Communication, A. 0. L. PLUNKETT.....

Conductivity of Gases, To Show the Poor. W. M. BUTLER............

Conic Sections by Paper Folding, Construction of. ALFRED J. LOTKA.. 595

Content Problems for High School Algebra, A Class of. G. W. MYERS.. 19

Convergence of Series, Graphical Illustration of. SAUL EPSTEEN and

F. W. DOOLITTLE ...............

770

Cooling by Expansion, Another Note on. W. S. FRANKLIN .......... 104
Cooling by Expansion and Warming by Compression. CHARLES E.
PEET .....

263

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Factoring the Type pr_rtr. BYRON E. TOAN.......

291
Factoring the Type pr+qotr. DAVID EUGENE SMITH....

529
Falling Bodies, Laws of. JOHN C. PACKARD ....

........

403
Field Trips in Botany. WILLARD N. CLUTE ...

398
Food Adulterants, Experiments for Detecting. GILBERT H. TRAFTON 476
Fruit Fly, The Merits of the. FRANK E. LUTZ .......

............ 672

Iligh Explosives. AUGUSTUS KLOCK ........
High School Algebra. HIRAM B. LOOMIS ..
High School Course in Hygiene, Suggestions from Bacteriology and

Sanitation for the. MINNA C. DENTON...
High School Physics, An Ideal Course in. K. E. GUTHE ...
High School Physiology. GRACE F. ELLIS .......

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183

.................

707

"Made in Germany," How Teachers of Physics are. E. A. STRONG ..

Mammalian Skeletons, Preparation of. BERTRAM G. SMITH...

Mathematical Announcements ...... ........

321

Mathematical Correction ...,

Mathematical News from Colorado .....
Mathematical Note. S. L. MACDONALD ...

536
Mathematical Notes ......

13+
Mathematics, A Few Deficiencies in the Teaching of. C. E. Co

STOCK .................... ...........
Mathematics as a Factor in Character Building. IRA S. Condit .... 610
Mathematics in and Below the High School. L. D. WINES .....
Mathematics in California Secondary Schools The Teaching of.
CHARLES A, NOBLE .....

702

Mathematics of Elemeutary Chemistry, The. J. MCINTOSHI ........

Mathematics Section at the St. Louis Meeting of the Central Associa-

tion, The :::::...........................

Mathematics Teachers, Kansas Association of ..

239
Mathematics Teachers of New England, Association of ...

132

Mechanics for the High School, More Interesting and Practical. J. M.

JAMESON :::::.....................................:::

315

Method of Classifying the Inorganic Acids for Analysis, A. W. S.

LEAVENWORTH ........:

. 1

Metric System, Thoughts on the Practical Use of the. FW. TURNER.. 8

Metric Voice from Australia ........

Metrology Notes ....

...110,

Mineral Productions in the United States in 1905. The

05, The ::.......

Migration Records in Connection with Bird Study in Schools. Advan-

tages of. FRANK SMITH ..

Missouri Society of Teachers of Mathematics and Science ...

Modeling Wax in Physiology and Zoology. ERNEST C. WITIIAM .... 505

Model-making by Zoology Students. F. C. LUCAS ............ 224
Moments, Practical Equation of. F. C. VAN DYCK.......

481
Mounting a Demonstrating Galvanometer. F. R. GORTON ....... 401
Movement Among Physics Teachers, The New. CIRCULAR V ...... 328

339,

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Nepheloscope, Espy's. CLEVELAND ABBE ....

580

Nernst Laing in the Laboratory and Simple Experiments on Radio-

Activity, The. F. R. GORTON .....

34

New Jersey Science Teachers' Association, Report of the Meeting of

the ............:::::....................:::

..... 432,

787

New York Association of Biology Teachers, Report of the .........: 705
New York City, Chemistry Teachers' Club of....................150,
Niagara Falls, The Recession of ..............................

429
Noden Valve, The. CYRIL 0. SMITII..........

.. 663

337

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Pacific Coast Association of Chemistry and Physics Teachers ......

Pendulum, An Apparatus for Deriving Laws of. ELLISON L. Ross.... 760

Pennsylvania State Teachers' Association, Science and Mathematical

Section of the High School Department of the .....

240

Personal Items : .............................................707, 789

Phosphates of Northern Arkansas .....

428

Physical Geography, Field Work in. JENNIE T. MARTIN......... 304

Physical Science, Some Recent Advances in. F. H. GETMAN ... 372

Physical Geography, The Culture Value of. HERBERT C. Wood . 437

Physics, A List in ............................................

699

Physics Club in a Normal School, The. L. A. ROBINSON .......... 461

Physics Experiments, Two Interesting. FRANK M. GREENLAW .... 127

Physics in the Secondary School. T. QUINCY BROWNE ....... 730

Physics Teaching, A Proposed Improvement in. L. B. AVERY ...

Physiology, How and How Much? CLIFFORD CROSBY ............

Physiology, The Teaching of. H. W. NORRIS ....

210
Plant Physiology in Secondary Schools. JOSEPH Y. BERGEN..
Platinum and Copper, Notes on .....................

...........
Platinum, To Utilize Scraps of. NICHOLAS KNIGHT.......

........
Point of View in Chemistry, Another. F. N. PETERS.....
Point of View in Chemistry, The. ALEXANDER SMITH ...

128

Polariscope, A Simple Form of. FREDERICK H. GETMAN

Preparation of the Teacher of Mathematics in Secondary Schools, The.

DAVID EUGENE SMITH ...

Presentation of the Ideas of Positive and Negative Numbers to Be-
ginners, The. R. M. McDILL .....

..............

307

Problem Department. IRA M. DELONG .....

..........60, 136, 229, 314, 413, 530, 607, 688, 779

Progress in the South, Educational. CHARLES A. SHULL........

Prony Brake, Modern ..

Propositions in Geometry, The Normal Order: Opening. A. L. BAKER. 94

Pythagorean Theorem, A Iligh School Boy's Proof of the EARL

DAVIDSON ...........................::::::::::

Pythagorean Theorem, An Extension of the. H. A. CONVERSE.........

R

*See footnote, page 164, February issue.

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