450 
PHILOSOPHICAL SOCIETY OF WASHINGTON. 
Mr. W J McGee read a paper on An expedition to Seriland. 
[Published in Science, 1896, April 3, vol. iii, pp. 493-505.] 
Mr. A. M. Ritchie described the Thermophone, showing the 
instrument. 
Mr. W. H. Dall presented a communication on Some char¬ 
acteristics of the genus Spirula. [Published in Science, 1896, 
February 14, new series, vol. iii, no. 59, pp. 243-245.] 
It was illustrated with diagrams and sketches. 
Mr. J. H. Gore read a paper on The Groningen land-lease 
system. 
449th Meeting. February 29, 1896. 
President Clarke in the chair. 
Twenty-five members and guests present. 
Mr. Charles H. Kummell made a communication entitled A 
new solution of the geodetic problem. [An abstract of this 
paper was published in Science, 1896, March 20, new series, 
vol. iii, no. 64, p. 453.] 
Mr. J. Walter Fewkes read a paper on The prehistoric cul¬ 
ture of Tusayan. [Published in the American Anthropologist, 
1896, May, vol. ix, pp. 151-173; also separately. An abstract 
was published in Science, 1896, March 20, new series, vol. iii, 
no. 64, pp. 452-453.] 
It was discussed by Mr. Ward and the author. 
450th Meeting. March 14, 1896. 
President Clarke in the chair. 
Twenty-seven members and guests present. 
Announcement was made of the election to membership of 
James Robison Cook. 
