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MEYER, A. W., A Suggestion from Plato, 530
Microscope, Ocular of the, C. L. METCALF, 310
MILLER, A. M., Cumberland Falls Meteorite, 541
Miller, B. L., Mineral Deposits of S. America, A.
KNOPF, 518

MILLER, G. A., Professor Ludvig Sylow, 85; Com-
mon Numerals, 215; Revista Matematica, 608;
Historical Science, 447

MILLER, L. H., Mendelian Phenomena, 148

MILLER, W. J., Silexite, 149

MILLER, D. C., Amer. Physical Soc., 197

Mineral Deposits in the U. S., 465

Mining Engineers, Amer. Inst. of, 143

MITCHELL, P. C., Desmognathus Fuscus, 283

Monkeys to pick Coco Nuts, E. W. GUDGER, 146

MOODIE, R. L., Renaissance Anatomy, 472

MOORE, G. T., Botanical Participation in War Work,

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RAINES, M. A., Rotary Vertigo in the Tail-Spin, 266

Ramsay Memorial Fund, 586

Research, Industrial, in Ontario and Prussia, A.
F. HUNTER, 208; in Great Britain, 239, 380, 497;
as a University Function, J. C. ARTHUR, 387;
Aeronautical, 448; Council, National, 458; Fel-
lowships, 462

Reservations, Wild Life, A. G. RUTHVEN, 17

RETTGER, L. F., Milk Hygiene, L. A. Klein, 25

Revista Matematica Hispano-Americana, G. A.

MILLER, 608

REYNOLDS, E. S., Root Pressure and Root Exuda-

tion, 70

RICHARDS, T. W., Radioactive Lead, 1

Ritter, W. E., Philosophical Biology, W. P. TAYLOR,

449

RIVERS, W. H. R., Psychiatry and the War, 367
ROBERTS, H. F., Color Crosses, 516

ROBERTSON, C., Generic Determinations of Bees, 422
Rockefeller Foundation, 87, 302

Roosevelt, Theodore, and American Foresters, 114;
Wild-life Forest Exp. Sta., C. C. ADAMS, 533

Root Pressure and Root Exudation, E. S. REY-
NOLDS, 70

ROSEN, H. H., Disease of Foxtail, 291
RUPPENTHAL, J. C., A Standard Alphabet, 191
RUSSELL, B., Patent Reform, 356

RUSSELL, H. N., Variable Stars, 127; Edward
Charles Pickering, 151

RUTHVEN, A. G., Wild Life Reservations, 17

S., W., Game Birds of Calif., J. Grinnell, H. C.
Bryant, and T. I. Storer, 498

Sabine, Wallace Clement Ware, E. H. HALL, C. N.
GREENOUGH, P. W. BRIDGMAN, 347

Salt Requirements of Plants, 143
SARTON, G., Publication of Isis, 170
SCHACKE, M. A., Sphærocarpos Texanus, 218
SCHEPPEGRELL, W., Hay Fever, 284
SCHRAMM, J. R., Botanical Abstracts, 195
SCHUCHERT, C., Papers from the Department of
Marine Biology, 121; Joseph Barrell, 605

Science in the British Parliament, 358

Sciences, History of, in U. S., F. NEUMANN, 330

Scientific, Events, 15, 38, 65, 85, 114, 141, 163, 188,

209, 230, 259, 278, 302, 323, 350, 372, 394, 419,

443, 465, 489, 510, 535, 558, 584, 607; Notes and

News, 19, 40, 67, 88, 116, 144, 165, 189, 211, 232,

261, 281, 303, 326, 353, 375, 396, 421, 445, 467,

492, 513, 538, 561, 586, 610. Books, 25, 46, 93,

121, 148, 171, 193, 217, 265, 285, 312, 332, 359,

381, 403, 425, 449, 472, 498, 518, 543, 568, 592,

614; Organization and A. A. A. S., 112; Spirit,

M. M. METCALF, 551; Instruments, Early, 584

Seed Injury, H. BRAUN, 544

SEYMOUR, R. J., and E. P. DURRANT, Vitamin

Tests, 448

Shaw, Sir Napier, Wind and Barometric Pressure,

A. M., 285

SHEAR, C. L., Amer. Phytopathological Soc., 174
Sheffield Scientific School and Yale University, 18
SHIPLEY, J. W., Valley of Ten Thousand Smokes,

589

STRONG, E. K., JR., Anthropology and Psychology,

125

Sugar Cane, Immune, C. O. ToWNSEND, 470; Tech-
nology in Hawaii, V. MACCAUGHEY, 582
Sulphonic Acids, D. F. HOUSTON, 265
Sylow, Professor Ludvig, G. A. MILLER, 85
Systematic Papers in German, G. F. HAMPSON, 193

Union of Scientific Federal Employees, R. H. TRUE,
P. G. AGNEW, 487

University and Educational News, 22, 43, 69, 91,

119, 146, 169, 191, 214, 236, 263, 283, 307, 328,

355, 377, 400, 422, 447, 470, 495, 515, 540, 563,

589, 611

Uranium Ore, S. C. LIND, and C. W. DAVIS, 441
Utah Acad. of Sci., C. A. SMITH, 475

Valence, W. A. NOYES, 175

Valley of Ten Thousand Smokes, J. W. SHIPLEY,
589

Van Hise, President, in Memory of, 114
Variable Star Observers, Amer. Assoc. of, L. C., 243
Vegetables, Desiccated, P. B. HAWK, 329
Vertigo, Rotary, in the Tail-Spin, M. A. RAINES,
266

VINCENT, G. E., The University and Public Health,

245

VIOL, C. H., Radium Production, 227
Vitamin Tests, R. J. SEYMOUR, and E. P. DUrrant,
448

VRIES, H. DE, Bastardierung, A. Ernst, 381

Wade, F. B., Precious Stones, O. C. FARRINGTON,

217

WADSWORTH, M. E., Human Flying, 379

WALCOTT, C. D., Lille Society of Sciences, 70

Walcott, C. D., Trilobites, G. R. BRIGHAM, 543

War Researches at St. Andrews University, 510

Washburn, F. L., Injurious Insects, W. E. BRITTON,

425

"Wave of Life," G. B. CLAYCOMB, 424

Well, Artesian, Flowing, H. P. LITTLE, 24

WELLS, W. F., B. Coli Index, 400

WELSH, F. R., Passenger Pigeon, 402

WHITE, E. A., Kansas Acad. of Sci., 476

WHITE, G. F., Egg-Yolk Media, 362

Williams, Professor, at Yale, H. E. GREGORY, 63
Williston, Samuel Wendell, H. F. OSBORN, 274

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The Glass Blowing Situation

Being No. 2 of a series of announcements dealing with our
accomplishments during the war.

The first appeared in

December issue; others will follow monthly.

Thuringia and Bohemia, countries which are now the subject of universal discussion, had
for several hundred years prior to the great war almost a monopoly of the glass indus-
try of the world. Glass blowing establishments elsewhere in Europe and in America
were called upon to manufacture only apparatus of special design or to do repair
work. That is to say, all regular laboratory apparatus, the product of the labor of
thousands of skilled glass workers of Thuringia and Bohemia, was imported to
America by case lots.

Import houses like ours, who had in the past depended on them, were from the very beginning
of the war entirely cut off from these countries; and it needs no vivid imagination
to picture the serious condition then confronting laboratory supply houses, consider-
ing that there were not enough skilled glass blowers in France, England and the
United States organized industrially to meet even a small part of the American
demand.

Eimer and Amend faced this situation, fortunately, with the largest supply of chemical
laboratory glassware of any house in the United States. This enabled us to fill
thousands of orders-sometimes with a suggested substition as to size or style-
while we were preparing for extensive manufacturing on our own premises.

Adding another shop to our equipment at that time soon doubled our output; but it was
easy to see that much more strenuous efforts were necessary to meet the demands
which kept pouring in upon us. Firstly, additional factory space was needed.
Secondly, additional equipment and machinery were needed. Thirdly, experienced
glass blowers had to be attracted to our shops. Fourthly, promising young appren-
tices had to be engaged to learn the elements of glass blowing, glass grinding, cali-
brating, etching, and the many tricks necessary to this highly skilled trade; a trade
which we have learned to respect as little short of an art.

How far we succeeded may be judged from the fact that today our force of glass blowers
nearly seven times its 1914 size; our output is possibly ten to fifteen times what it
then was; and with it all we have maintained a standard HIGHER than that of the
far-famed Thuringian manufacturers. Our unequalled facilities are now available
for peace-time orders.

A substantial share of credit for these accomplishments belongs to our customers and
friends. Without their forbearance, we should not have been able to make such
rapid progress toward factory production. In offering sincere thanks to our sup-
porters for their patience and good will during that trying period of uncertainty,
when irritating delays in shipments occurred none too infrequently, we would only
add that our efforts shall be continued, now that the war is over, in the hope of mak-
ing this industry, fostered by their tolerant cooperation, a permanent one, worthy of
other American achievements.

EIMER & AMEND

NEW YORK AND PITTSBURGH

Increased Factory Facilities

Including the building and operation of the most ideal optical glass factory in America-
possibly the world—one of the marvels of our great war program,

ENABLES US TO PROMPTLY RESUME MANUFACTURE OF INSTRUMENTS
OF PEACE:

MICROSCOPES

DELINEASCOPES

MICROTOMES

SCIENTIFIC APPARATUS

IN A LARGER AND MORE COMPLETE WAY THAN HERETOFORE

It also permits the maturing of plans for the manufacture of

་ །

Optical Measuring Instruments

In which we expect to incorporate superior features, making them excel European models.
The first of these instruments which we expect to have ready will be an

ABBE REFRACTOMETER

Announcement of which will be made later.

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TO PROMOTE ORIGINAL RESEARCH IN Thirty-one Volumes Published, which contain

BIOLOGICAL STUDIES

YALE UNIVERSITY

TWO FELLOWSHIPS, yielding an income of $1,000 each, open to men or women. Preference is given to candidates who have already obtained their Doctorate, and have demonstrated by their work fitness to carry on successfully original research of a high order. The holder must reside in New Haven during the college year, October to June. Applications should be made to the Dean of the Graduate School, New Haven, Conn., before April 1, 1919; they should be accompanied by reprints of scientific publications and letters of recommendation, and a statement of the particular problem which the candidate expects to investigate.

OPTIC PROJECTION

Principles, installation and use of the Magic Lantern, Opaque
Lantern, Projection Microscope and Moving Picture Machine;
700 pages, 400 figs. By SIMON HENRY GAGE. B.S., and
HENRY PHELPS GAGE, PH.D. Postpaid, $3.00.
THE COMSTOCK PUBLISHING CO., Ithaca, N. Y.

TEACHERS WANTED

Men needed for college positions:-Physics, $2000; Biology. $1600; Chemistry and Physics, $1700; Instructor in Physics, $1500; Assistant in Chemistry, $1500. Special terms. Address THE INTERSTATE TEACHERS' AGENCY MACHECA BUILDING

thousands of original descriptions of taxonomic groups in Zoology and Botany and are a necessity to systematic workers.

If you want these valuable Proceedings, act now, as only three complete sets are available from the Society. Price for the 31 volumes in original brochures, $93.00. Annual Subscription, $3.00.

Bulletin of the Biological Society

of Washington

One Volume published: A Sketch of The Natural History of the District of Columbia, 142 pages, 5 maps.

Essential to libraries desiring complete collections on general or local natural history, on the geography or distribution of life in Eastern United States, or on the Coastal Plain and Pine Barrens. Price $2.15 postpaid.

BIOLOGICAL SOCIETY

NEW ORLEANS | Biological Survey

Washington, D. C.

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