FOUNDED IN 1786, BY
JOHN HYACINTH DE MAGELLAN,

OF LONDON.

1898.

THE AMERICAN PHILOSOPHICAL SOCIETY,

Held at Philadelphia, for Promoting Useful Knowledge

ANNOUNCES THAT IN

DECEMBER, 1898,

IT WILL AWARD ITS

MAGELLANIC GOLD MEDAL to the author of the best discovery, or most useful invention, relating to Navigation, Astronomy, or Natural Philosophy (mere natural history

only excepted) under the following conditions: 1. The candidate shall, on or before November 1, 1898 deliver, free of postage or other charges, his discovery, invention or improvement, addressed to the President of the American Philosophical Society. No. 104 South Fifth Street, Philadelphia, U. S. A., and shall distinguish his performance by some motto, device, or other signature. With his discovery, invention, or improvement, he shall also send a sealed letter containing the same motto, device, or signature, and subscribed with the real name and place of residence of the author.

2. Persons of any nation, sect or denomination whatever, shall be adınitted as candidates for this premium.

3. No discovery, invention or improvement shall be entitled to this premium, which hath been already published, or for which the author hath been publicly rewarded elsewhere.

4. The candidate shall communicate his discovery, invention or improvement, either in the English, French, German, or Latin language.

5. A full account of the crowned subject shall be published by the Society, as soon as may be after the adjudication, either in a separate publication, or in the next succeeding volume of their Transactions, or in both.

6. The premium shall consist of an oval plate of solid standard gold of the value of ten guineas, suitably inscribed, with the seal of the Society annexed to the medal by a ribbon.

THE

All correspondence in relation hereto should be addressed

TO THE SECRETARIES
AMERICAN PHILOSOPHICAL SOCIETY,
No. 104 SOUTH FIFTH STREET,

PHILADELPHIA, U. S. A.

OF THE

American Philosophical Society,

HELD AT PHILADELPHIA,
FOR PROMOTING USEFUL KNOWLEDGE.

Vol. XIX, New Series.
Part I, 4to, pp. 198, with 3 Plates. Lately Published.

CONTENTS.
Art. 1.- A New Method of Determining the General Perturba-

tions of the Minor Planets. By WILLIAM MCKNIGHT

RITTER, M.A.
Art 11.-An Essay on the Development of the Mouth Parts of

Certain Insects. By JOHN B. SMITH, Sc.D.
Part II, 4to, pp. 272, with 13 Plates. Just Published.

CONTENTS.
Art. III.-—Some Experiments with the Saliva of the Gila Monster

(Heloderma suspectum). By JOHN VAN DENBURGH,

PH.D.
Art. IV.--Results of Recent Researches on the Evolution of the

Stellar Systems. By T.J. J. SEE, A.M., Ph.D. (Berlin).
Art. V.--On the Glossophaginæ. By HARRISON ALLEN, M.D.
Art. VI.- The Skull and Teeth of Ectophylla alba. By HAR-

RISON ALLEN, M.D.

SUBSCRIPTION—FIVE DOLLARS PER VOLUME.

SEPARATE PARTS ARE NOT SOLD.

A few complete sets of the Transactions, New Series,

Volumes I-XVIII, can be obtained.

Price, Ninety Dollars.

Address THE LIBRARIAN OF THE

AMERICAN PHILOSOPHICAL SOCIETY,
NO. 104 SOUTH FIFTH STREET,

PHILADELPHIA, U. S. A.

MAR 13 1899

PROCEEDINGS CAMBRIDGE, 4AGS AMERICAN PHILOSOPHICAL SOCIETY

OF THE

Slated Meeting, October 7, 1898..

175 The Linguistic Cartography of the Chaco Region. By DANIEL G. BRINTON, M.D. (with one plate)..

178 Shakespeare's Pericles and Apollonius of Tyre. By

ALBERT H. SMYTH (with one plate and two illustrations). 206 On the Quaternion Group. By G. A. MILLER

312 Stated Meeting, October 21, 1898.

319 On two Unclassified Recent Vocabularies from South America. By DANIEL G. Brinton, M.D. .

321 Stated Meeling, November 4, 1898.

324 Stated Meeting, November 18, 1898.

327 Divisions of Queensland Aborigines. By R. H. MATHEWS (with one illustration).

327 Aljourned Meeting, November 25, 1898

336 Stated Meeting, December 2, 1898.

337 Stated Meeting, December 16, 1898.

337

PHILADELPHIA :
THE AMERICAN PHILOSOPHICAL SOCIETY,

104 South Fifth Street.

1898.

THE

PHILADELPHIA, 104 SOUTH FIFTH STREET,

APRIL 5, 1897 HE AMERICAN PHILOSOPHICAL SOCIETY, held at

Philadelphia, for Promoting Useful Knowledge has the honor to announce that an award of the Henry M. Phillips Prize will be made during the year 1899; essays for the same to be in the possession of the Society before the first day of May, 1899. The subject upon which essays are to be furnished by competitors is:

The development of the law, as illustrated by the

decisions relating to the police power of the State. The essay shall not contain more than one hundred thousand words, excluding notes. Such notes, if any, should be kept separate as an Appendix.

The Prize for the crowned essay will be two thousand dollars lawful gold coin of the United States, to be paid as soon as may be after the award. The Society invites attention to the regulations governing said prize, which accompany this circular.

William V. McKean, Craig Biddle, Mayer Sulzberger,
C. Stuart Patterson, Joseph C. Fraley, Frederick Fraley,
President of the Society, Horace Jayne, M. D.,* Treasurer
of the Society, Committee on the Henry M. Phillips Prise

Essay Fund.
The essays must be sent, addressed to Frederick Fraley,
President of the American Philosophical Society, Philadelphia.

* Elected Treasurer American Philosophical Society, January 7, 1898, in place of J. Sergeant Price, Esq., deceased, August 16, 1897.

REGULATIONS. Competitors for the prize shall affix to their essays some motto or name (not the proper name of the author, however), and when the essay is forwarded to the Society it shall be accompanied by a sealed envelope, containing within the proper name of the author, and, on the outside thereof, the motto or name adopted for the essay.

At a stated meeting of the Society, in pursuance of the advertisement, all essays received up to that time shall be referred to a Committee of Judges, to consist of five persons, who shall be selected by the Society from nomination of ten persons made by the Standing Committee on the Henry M. Phillips Prize Essay Fund.

Essays may be written in English, French, German, Dutch, Italian, Spanish or Latin, but, if in any language except English, must be accompanied by an English translation of the same.

No treatise or essay shall be entitled to compete for the prize that has been already published or printed, or for which the author has received already any prize, profit, or honor of any nature whatsoever.

All essays must be clearly and legibly written or printed on one side of the

The literary property of such essays shall be in their authors, subject to the nghe of the Society to publish the crowned essay in its Transactions or Proceedings.

paper only.

MAR 13 1899

PHILOSOPHICAL SOCIETY

OF THE

AMERICANE, LAHTI

HELD AT PHILADELPHIA FOR PROMOTING USEFUL KNOWLEDGE.

Dr. Caspar Réné Gregory and Messrs. Hutchinson, Bryant and H. La Barre Jayne, newly elected members, were presented to the Chair, and took their seats in the Society.

Acknowledgments of election to membership were read from Messrs. H. La Barre Jayne, Emlen Hutchinson, John H. Converse, Charles Platt, William Harkness, R. P. Whitfield, Henry G. Bryant, Lamar Gray Patterson, William Henry Pettee, Edward F. DeLancey, C. P. Tiele, Albert B. Prescott, Alfred H. Allen, Boverton Redwood, Guglielmo Mengarini and A. Donaldson Smith.

A letter was received from the Secretary of State, enclosing an invitation from the government of Italy to the Society to send delegates to the Twelfth International Congress of Orientalists, to be held at Rome on October 2, 1899; and on motion the President was authorized to appoint a delegate, in accordance with the invitation. Prof. H. V. Hilprecht was subsequently appointed the delegate of the Society.

An invitation was received from the Academy of Sciences and other learned societies of Stockholm, to send a delegate to a commemorative fête to be held at Stockholm on October 7, 1898, on the occasion of the fiftieth anniversary of the death of Berzelius. The Secretary was directed to express

PROC. AMER. PHILOS. soc. XXXVII. 158. L. PRINTED DEC. 7, 1898.