FOUNDED IN 1786, BY JOHN HYACINTH DE MAGELLAN, 1899. THE AMERICAN PHILOSOPHICAL SOCIETY, Held at Philadelphia, for Promoting Useful Knowledge ANNOUNCES THAT IN DECEMBER, 1899, 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, 1899 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. All correspondence in relation hereto should be addressed TO THE SECRETARIES OF THE 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. I.-A New Method of Determining the General Perturbations of the Minor Planets. By WILLIAM MCKNIGHT RITTER, M.A. Art II.-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. Lately Published. 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 Part III, 4to, pp. 168, with 9 Plates. Just Published. Art. IX. Contributions to a Revision of the North American SUBSCRIPTION-FIVE DOLLARS PER VOLUME. Address THE LIBRARIAN OF THE AMERICAN PHILOSOPHICAL SOCIETY, NO. 104 SOUTH FIFTH STREET, PHILADELPHIA, U. S. A. CAMBRIDGE, MASS. PROCEEDINGS Historical Résumé of the Efforts Made to Demonstrate the Practicability 154 Stated Meeting, November 3, 1899. 155 Stated Meeting, November 17, 1899... 156 Notes on Some Birds of Santa Clara County, California. By JOHN 157 Some Passamaquoddy Witchcraft Tales. By J. DYNELEY PRINCE, It is requested that all correspondence be addressed TO THE SECRETARIES OF THE AMERICAN PHILOSOPHICAL SOCIETY, 104 SOUTH FIFTH STREET, PHILADELPHIA, U. S. A. Members will please communicate to the Secretaries any inaccuracy in name or address as given on the wrapper of this number. It is requested that the receipt of this number of the Proceedings be acknowledged to the Secretaries. Members who have not as yet sent their photographs to the Society will confer a favor by so doing; cabinet size preferred. Correspondence was submitted as follows: Letters accepting membership were read from Messrs. Arthur V. Meigs, M.D., Henri Poincaré, Charles E. Dana, William Ramsay, Francis C. Phillips, Sir George Otto Trevelyan, Israel W. Morris, A. Stanley Mackenzie, W. A. Lamberton, Waldron Shapleigh, Milton J. Greenman, William C. Day, Samuel M. Vauclain, Harrison S. Morris, Marion D. Learned, Stuart Wood, Henry S. Pritchett, Joseph P. Remington and William Brooke Rawle, and a letter from James E. Keeler declining membership. A letter from the Connecticut Academy of Arts and Sciences, inviting the appointment of delegates to the commemorative exercises of the one hundredth anniversary of its foundation. The President was authorized to appoint a delegate. An invitation from the Mayor of Chalon-sur-Saône to send a delegate to the fêtes accompanying the unveiling of the statue of the Egyptologue, François Chabas. On motion the Secretaries were directed to inform the Mayor of Chalon-surSaône that the Society had received the invitation too late for its acceptance. An invitation, also, to the President, from the Committee. on the Unveiling of the Monument to Prof. Guiseppe Meneghini, to be present at the ceremony. A communication from the French Ministry of Commerce, PROC. AMER. PHILOS. SOC. XXXVIII. J. PRINTED DEC. 15, 1899. |