476 
PHILOSOPHICAL SOCIETY OF WASHINGTON. 
Mr. William Eimbeck read a paper on Terrestrial refraction. 
[To be published in Coast and Geodetic Survey Report for 1899.] 
It was discussed by Messrs. Pritchett, Bigelow, Preston, 
We ad, and the author. 
Mr. E. D. Preston read a paper on Recent progress in geodesy. 
[Published in this volume, pp. 251-268.] 
It was discussed by Messrs. Gore, Bigelow, Wilczynski, and 
Pritchett. * 
486th Meeting. May 14, 1898. 
President Bigelow in the chair. 
Twenty-four members present. 
This evening was devoted to a discussion of plans for the 
work of the Society. 
487th Meeting. May 28, 1898 
President Bigelow in the chair. 
Fourteen members present. 
Mr. Baker read a biographical notice of Charles PIugo 
Kummell. [Published in this volume, pp. 404-405.] 
Mr. Tittmann read a biographical notice of Orlando M. Poe. 
[Published in this volume, pp. 409-412.] 
Mr. L. A. Fischer read a paper on The comparison of line and 
end standards. [Published in this volume, pp. 241-250; also 
an abstract in Science, 1898, June 17, new series, vol. vii, no. 
181, pp. 839-840.] 
It was discussed by Mr. Hayford. 
Mr. A. Lindenkohl read a paper on The submerged terminal 
moraines of the southern coast of New England. [An abstract 
of this paper was published in Science, 1898, June 17, new series, 
vol. vii, no. 181, p. 840.] 
It was discussed by Messrs. Dall and Bigelow. 
