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the Engineering Societies Building in New York City on the evening of November 17. Addresses will be made by Dr. Arthur E. Kennelly, professor of electrical engineering at Harvard University; Dr. William H. Nichols, chairman of the corporation of the Polytechnic Institute; Mr. T. Commerford Martin, secretary of the National Electric Light Association; Mr. Bancroft Gherardi, vice-president of the American Telephone and Telegraph Co., and William N. Dickinson, president of the New York Electrical Society. Mr. Arthur W. Berresford, presiIdent of the American Institute of Electrical Engineers, will preside.

M. LOUIS DU HAURON, a pioneer in the photography of color, died on August 31, at the age of eighty-three years.

THE death has occurred on the way to New York of Dr. Manuel C. Barrios, professor of physiology and later of legal medicine at the University of Lima, Peru. While a member of the national cabinet he organized the public health service and founded the National Academy of Medicine.

DR. J. P. MORAT, formerly professor of physiology at the University of Lyons, has died at the age of seventy-five years.

THE Berlin correspondent of the Journal of the American Medical Association writes that the first meeting in seven years of the Association of German Scientific Men and Physicians, held at Bad Nauheim, was attended by 2,600 members. Among the principal subjects of interest of the meeting were the newer researches in physical science, including the structure of molecules and atoms, and the Einstein theory of relativity. The papers of Dr. Max Rubner, Berlin, and Dr. M. von Gruber, Munich, on the problem of nutrition were probably the outstanding medical contributions.

THE Swedish government has approved the plan to found an institute for research on moral assistance for the furtherance of medical faculty to plan the institution. A committee from the faculty has been appointed for the purpose, comprising Drs. Lennmalm, Johansson, Müller and Gadelius, of the chairs

of neurology, physiology, anatomy and psychiatry, respectively.

THE will of the late Dr. Lloyd Roberts, of Manchester, contains the following bequests: To the Rylands Library, Manchester, such of his bound books as the trustees may select; to the Corporation of Manchester, for the Art Gallery, such of the mezzotints, water-colors, and paintings as they may desire; to the Royal Society of Medicine £5,000; to St. Mary's Hospital, Manchester, £5,000; to Manchester Royal Infirmary, £3,000; to the Royal College of Physicians, London, £3,000; to the Medical Society of London, £2,000; to St. David's College, South Wales, £2,000. The residue of his estate is left to University College, Bangor, with provision that £5,000 be set aside to found a Lloyd Roberts professorship in any subject the authorities think fit.

PROFESSOR A. F. ROGERS, of Stanford University, is engaged in a mineralogical study of fossil bone and will welcome any specimens that may be sent to him. Small specimens, 2 or 3 inches in size, will suffice. They may be sent by express, collect to the Mineralogy Laboratory (care of A. J. Rogers), Stanford University, California.

THERE has recently been formed at Brussels a Fédération belge des sociétés des sciences mathématiques, physiques, naturelles médicales et appliquées. According to the Journal of the American Medical Association thirty-three societies have already joined the federation, and many others have promised to become affiliated in the near future. The group includes various scientific societies which give evidence of their activity by the publication of original work, and the movement is de signed to unite and coordinate all efforts for the general advancement of the pure and applied sciences, although the component societies retain their own autonomy. The federation will endeavor to encourage initiative and to procure the requisite material and moral assistance for the furtherance of scientific work, and it will collaborate in perfecting scientific publications. It may, especially, summon congresses, organize confer

ences and expositions, and found or support useful scientific institutions. Among the principal aims of the federation may be mentioned: (1) an increase of the resources of affiliated societies sufficient to continue their publications, and (2) the collection of works published by the federated societies and exchange of publications with analogous federations in allied and neutral countries. A general council of fifteen members administers the affairs of the federation. The officers for 1920 are Professor de la ValléePoussin (Louvain), president; Paul Pelseneer (secretary of the Académie royale de Belgique), vice president; J. Wauters (secretary general of the Société chimique de Belgique) treasurer, and Messrs, Zunc and Lucien, secretaries.



THE Hudson's Bay Company, as one means of celebrating the 250th anniversary of its foundation and its long connection with Western Canada and with Winnipeg, has given the University of Manitoba a fellowship of the annual value of $1,500 for the years 1920-29 inclusive, open to graduates of any Canadian university. Each fellow will devote his entire time to original research in some branch of pure or applied science.

A LABORATORY for research on dyestuffs and explosives has been established at George Washington University, under the general supervision of Professor H. C. McNeil, and in charge of Mr. G. W. Phillips, formerly of the Chemical Warfare Service. Dr. Charles E. Munroe will be consulting chemist of the laboratory.

DR. S. A. MAHOOD, of the Forest Products Laboratory, Madison, will have charge of chemistry at Tulane University.

DR. JAMES W. PAPEZ, professor of anatomy and neurology at Emory University School of Medicine, Atlanta, Ga., has resigned to accept the assistant professorship of neurology at Cornell University Medical College, Ithaca, New York.

DR. KENNETH D. BLACKFAN, associate professor of pediatrics at the Johns Hopkins Medical School, has been appointed professor of pediatrics at the Medical College of the University of Cincinnati.

OLAF P. JENKINS has returned to Pullman, Washington, as assistant professor of economic geology in the State College of Washington, having spent the last year with the Sinclair Exploration Company as chief geologist in Alabama.

DR. C. NUSBAUM, formerly of the Magnetic Section of the Bureau of Standards, has been appointed research associate in the division. of industrial research and cooperation of the Massachusetts Institute of Technology.

DR. HENRY W. STAGER, for many years head of the department of mathematics in Fresno Junior College, Fresno, California, and more recently with the United States Railroad Administration, has been appointed instructor of mathematics in the University of Washington, Seattle, Washington.

MR. W. VERNON GODSHALL, formerly assistant professor of chemistry at Miami University, has accepted a similar position in physiological chemistry in the department of physiology of the University of Wisconsin. He is also chemist on the Interdepartmental Board for the estimation of the elimination of arsenic from patients treated with arsenical drugs.

Ar the Montana School of Mines Assistant Professor Gerald S. Lambert, of Leland Stanford University, has been appointed associate professor of geology, and Dr. A. E. Koenig, assistant professor of chemistry at the University of Wisconsin, associate professor of chemistry.

DR. RODNEY B. HARVEY has resigned as plant physiologist, Bureau of Plant Industry, Washington, D. C., to accept the position of assistant professor in plant physiology at the University of Minnesota, and assistant plant physiologist in the Minnesota Experiment Station.

MR. F. B. SMITH, who recently retired from the position of secretary of agriculture to the

Union of South Africa, has been appointed a reader in estate management at Cambridge



THE Ecological Society of America's committee on the preservation of natural conditions, while unable to deal with problems concerning wild life not in reserves, continually encounters the fact that individual species are menaced with extinction by agricultural encroachments. Two of these menaces are:

1. Clean-culture (roadside mowing and burning) as distinguished from roadside and streamside shrubbery and bird and original life preservation.

Birds are decreasing for lack of nesting sites, on account of destruction of breeding conditions. Entomologists and some agriculturists maintain that this condition is necessary to agriculture. Bird men insist that birds are also essential. It is known that a few states encourage roadside shrubbery while several require roadside mowing. The practise in the various parts of the United States and Canada should be ascertained. The effect of different procedures should be determined. The areas in which specially destructive and drastic measures such as burning for insect pests are necessary should be clearly defined and limited and the public informed as to the dangers of such burning.

2. Upland marshes are important as sponges storing water and letting it out slowly during dry seasons, thus controlling floods. Such marshes are gradually being drained and the flood menace is increasing every year.

The only way to save these natural resources and at the same time, the swamp faunas, especially the birds, is to utilize the swamps for aquiculture. To this end several water-culture experiment stations should be established. For the present there should be one, perhaps at Cornell University, to deal with the upland marsh problems. There should be another in connection with Okefinokee swamp and one in connection with the coastal swamps of New Jersey. In addition to frogs,

fish, and birds, a number of plants are good for food, etc.; e. g., cattail flour and cattail paper have recently been tried with success. Swamp potatoes, the corns of arrowhead, and seeds, roots, and stalks of our native lotus served as food for the American aborigines and pioneers. Hedrick (SCIENCE, 40:611), Claussen (Sci. Mo., 9:179), and Needham and Lloyd ("Life of Inland Waters ") have discussed these questions and suggested or advocated the improvement and culture of aquatic plants.

It is the belief of the committee that all organizations in any way interested should combine efforts for the investigation of these questions.

For a list of the committee members, see SCIENCE, March 26, 1920; since that date the following have been added: Z. P. Metcalf, University of North Carolina; C. A. Shull, University of Kentucky; R. M. Harper, College Point, N. Y.; and Jens Jensen, Ravinia, Illinois. V. E. SHELFORD, Chairman




TO THE EDITOR OF SCIENCE: Extensive reliable data showing the distribution of human heights in "unselected" populations are surprisingly hard to obtain. The Association of Life Insurance Medical Directors and the Actuarial Society of America have, however, undertaken a very careful statistical study of men accepted for life insurance,1 which provides, among other things, a distribution of the heights of 221,819 men. Here, at last, we might expect to settle the question of the form of distribution that would hold for a population, but we discover in the distribution curve a remarkable inversion that it is difficult to explain as anything other than an artefact.

This distribution curve is the solid line of the figure. The average height is 5 ft. 8.49 in. Since the curve is plotted in units of an inch,

1 "Medico-Actuarial Mortality Investigation," Vol. I., 1912, esp. 11-22.

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during January of the odd years and July of the even years throughout a sixteen-year period were included. It would seem probable, therefore, that the selection must have occurred when the measurements were made. Many persons who were nearest 5 ft. 9 in. must have been recorded as 5 ft. 8 in. or 5 ft. 10 in. Here we would have a case of artificial selection that depends on the factors involved in obtaining measurements, a case analogous to the predilection that occurs when estimates are made in "round numbers" or, as happened in this investigation, to the predilection to give weights as multiples of five pounds. We may hazard that the error occurred not so much in reading the measuring stick as in the acceptance by the examining physician of the person's own statement of his height. There may be a tendency for a person to prefer an even 8 or 10 in. height to an odd 9. There is, however, no similar inversion obvious at 4 ft. 8-10 in., although this may be obscured by the effort of men of this height to have themselves recorded as 5 ft.; there is a suspicious bump in the curve just above 5 ft. And the cases at 6 ft. 8-10 in. are too few to show.

The further question arises whether the predilection is simply against the 9 in. or whether all even heights are favored. It is not possible to determine this accurately, since an inversion can not so readily appear in the steeper parts of the curve. If we take the Gaussian distribution (dotted line in the figure) as ideal we see that it is not true that even inches fall above this ideal and odd below. But then it is doubtful whether the Gaussian distribution should be ideal. You can not, at least, prove it from these data, since the probability that an ideal Gaussian distribution would turn out as this observed distribution has is only (by Pearson's chicriterion) about one chance in 10".

We appear to have, then, a special predilec

2 For a complete discussion of the influence of these communal mental habits upon scientific measurements and other quantitative judgments, see J. E. Coover, "Experiments in Psychical Research," 1917, 229-290.

tion in favor of a height of 5 ft. 8 in. or 5 ft. 10 in., or both, which is a function simply of human preference for these heights. The writer would appreciate any information from the readers of SCIENCE which indicates other ways in which this inversion might have been brought about, or which goes to show that persons would tend to regard these two heights as especially desirable.

The instance shows how difficult it is to obtain an "unselected sample" by merely securing large numbers of cases without scientific control of the original observations. EDWIN G. BORING


THE PLIGHT OF SCIENTIFIC PERIODICALS THE world of to-day is in new and trying situations. It is trying its best to meet the conditions imposed upon it by the experiences of the last six years, without relinquishing all of its former ideals.

Its situation is somewhat like that of a family whose house burned last night, but whose clothing and furniture were saved through the energy of the neighbors. Morning has come and reveals the state of confusion. Mother's slippers are in the coffee pot and the lamp shade is full of potatoes. Everything is there, but it will require a long time to bring order out of confusion, at the same time the family must live and maintain domestic peace.

In this country the average man is of the opinion that science had much to do in deciding the military and economic issues from 1914 to 1918. It is not, however, altogether unlike human nature that it should forget its benefactor, though still grateful for the benefactions. Nevertheless, science in this country is to-day in a precarious condition because of the embarrassed financial condition of its professional magazines. It has always been difficult to get scientific work published in this country. The publishers were always politely regretting their inability to publish scientific material, because they had found by experience that it did not pay.

The public seemed to have so many other ways in which to spend its money that it didn't want to buy dry books or periodicals.

Science is advanced by research work. That which is discovered is published in technical periodicals or books in the hope that it may advance knowledge and contribute to human welfare. Research work is mainly done by men and women connected with educational or public service institutions. The discoveries which they make are for the benefit of the public rather than the discoverer. Few of their discoveries can be capitalized for personal advantage, and few of the workers have any inclination in that direction. They furnish their original researches to scientific periodicals without receiving reimbursement for them. The main thing the investigator seeks is the opportunity to present his results in an adequate and dignified way to those who may enjoy or use them, and with reasonable promptness.

Consider the situation of the worker in science at the present time. He sends his manuscript to the editor of the Journal of In due time he receives some

such letter as this: We should be glad to publish your manuscript in the Journal of -, but our funds are so restricted that we are obliged to cut down articles as much as possible. In view of the increased cost of printing we want to ask if you would be willing to omit the introduction and first three tables and to combine the other tables into one. We are trying to restrict all articles to ten pages or less of printed matter. The illustrations can not be published unless you will bear the entire cost of plates and paper yourself.

Regretting that such restrictions are necessary, we beg to remain, etc.

The author is obliged to accede to the editor's requests if his paper is to be published and writes accordingly. In about eight months he receives the proof sheets and about a year from the time the manuscript was written the journal containing it is issued. The magazine is thin and pale in appearance. In a few weeks the author gets a package of reprints for which he has to pay at the rate

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