1114 The American Naiuralist. [December, 
The Biological Society of Washington.—October 21. The 
following communications were read : 
Professor Lester F. Ward, * Weismann's Concessions.” Doctor C. 
Hart Merriam, * Notes on a Biological Reconnoisance of Wyoming.” 
Mr. Vernon Bailey. 
November 4th.—The following communications were read : 
Mr. W. T. Swingle, “Some Problems of Plant Geography in Flor- 
ida.” Doctor C. Hart Merriam, “ Fauna and Flora of Eastern 
Wyoming.” Doctor C. W. Stiles, * Artificial Species of Cestodes. ” 
Professor Lester F. Ward, * Cyeadean Trunks in the American Cret- 
aceous. "—F' REDERIO A. Lucas, Secretary. 
NATIONAL ACADEMY OF ScrENCE.— The following papers were 
entered to be read at the meeting held at Albany, N. Y., November 
Tth, 1893.—I. American Paleozoic Cockroaches, Samuel H. Scudder. 
IL Additional Researches on the Motion of the Earth's Pole, Seth C. 
Chandler. III. Biographical Memoir of A. H. Worthen, C. A. 
White IV. Biographical Memoir of W. P. Towbridge, C. B. 
Comstock. V. The Geological Map of the State of New York, James - 
Hall. VI. On a new form of Telescopic Objective, as applied to the 
twelve-ineh Equatorial of the Dudley Observatory, Charles S. Hastings. 
VII. On the Structure and Development of Trilobites, Charles E. 
Beecher, (Introduced by A. Hyatt.) VIII. DoubleStars, Asaph Hall. 
IX. Latitude Determinations at the Sayre Observatory, Charles L. 
Doolittle, (Introduced by Lewis Boss.) X. Insect Voices, Joseph 
A. Lintner, (Introduced by James Hall) XI. Edible and 
Poisonous Fungi, Charles H. Peck, (Introduced by James Hall.) 
XII. A New Process of Printing in Color, Edward S. Morse. 
XIII. On Reaction—Times and the Velocity ef the Nervous 
Impulse, J. McKeen Cattell and Charles S. Dolley, (Introduced by G. 
F. Barker.) XIV. The Palzontology of the State of New York; 
the present condition of the work, James Hall. XV. Certain 
Histological Relations Between the Subalpine Plants of the White 
Hills and of the Labrador Coast, George Lincoln Goodale. 
A special stated session of the Academy took place on Wednesday, 
November 8th, in Albany, to consider the President’s Annual Report 
to Congress, and other business. 
The new Dudley Observatory was dedicated. Prof. Newcomb made 
the speech for astronomy and there were other speeches by Mr. Lansing 
and Bishop Doane, Gen. Rathbone was master of ceremonies. 
