9. Committee to confer with the United States Geologist in regard to coöperation between the Government and State Geological Surveys. JAMES HALL of Albany, T. STERRY HUNT of Montreal, J. S. NEWBERRY of New York, N. H. WINCHELL of Minneapolis, 10. C. H. HITCHCOCK of Hanover, G. H. COOK of Brunswick, E. A. SMITH of Tuscaloosa, JOSEPH LE CONTE of San Francisco. This Committee has power to add to its number. Committee on Interchange of Courtesies between the American and C. A. YOUNG of Princeton, T. STERRY HUNT of Montreal, E. S. MORSE of Salem, T. C. MENDENHALL of Washington. F. W. PUTNAM of Cambridge. 11. Committee in relation to Duty on Scientific Books. 13. Committee on the Investigation of Fermentation and its Effects. ALFRED SPRINGER of Cincinnati, F. W. CLARKE of Washington, G. M. STERNBERG of Washington, CLIFFORD RICHARDSON of Washington. 14. Committee on Anatomical Nomenclature, with Special reference to JOSEPH LEIDY of Philadelphia, HARRISON ALLEN of Philadelphia, the Brain. H. OSBORN of Princeton, B. G. WILDER of Ithaca. 15. Committee on the Encouragement of Researches upon the Health and Disease of Plants. J. C. ARTHUR of Charles City, T. J. BURRILL of Champaign, J. T. ROTHROCK of West Chester. 16. Committee on Physics Teaching. T. C. MENDENHALL of Washington, 17. H. S. CARHART of Evanston, JOHN TROWBRIDGE of Cambridge. Committee to present to the Postmaster General the importance of a change in the postal laws in relation to the transportation of Botanical speci TREASURER. MEETINGS AND OFFICERS OF THE AMERICAN ASSOCIATION OF GEOLOGISTS AND NATURALISTS. 1st April 2, 1840, 2d April 5, 1841, Philadelphia, Philadelphia, 3d April 25, 1842, Boston, Edward Hitchcock,* L. C. Beck,* L. C. Beck,* B. Silliman, jr.,* Professor ROGERS, as chairman of this last meeting, called the first meeting of the new Association to order and presided until it was fully organized by the adoption of a constitution. As he was thus the first presiding officer of the new Association, it was directed at the Hartford meeting that his name be placed at the head of the Past Presidents of the American Association for the Advancement of Science. * Deceased. MEETINGS AND OFFICERS OF THE AMERICAN ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE. Wolcott Gibbs, B. A. Gould, John L. LeConte,* John E. Holbrook,*+ W. M. Gillespie,* 11 G. F. Barker, 7. In place of J. D. Dana, not present. Joseph LeConte, Joseph Lovering, Joseph Lovering, A. L. Elwyn.* Joseph Lovering, W. S. Vaux.* Joseph Lovering, W. S. Vaux.* MEETINGS AND OFFICERS OF THE ASSOCIATION. (Continued.) Section A. Section B. Section C. Section D. Section E. VICE PRESIDENTS. • Section F. I Section I. F. B. Hough, John Eaton, |