Abstract of Minutes. . XV 
March 9, 1894. 94th meeting. 
Assembly Hall of Cosmos Club, 8 pm. Vice-President Gan- 
nett in the chair. Attendance, 50. 
Dr C. Willard Hayes delivered an address upon The Physi- 
ography of a Portion of the Southern Appalachians, as Ilus- 
trated by a Relief Map of the Chattanooga District; and Mr 
M. R. Campbell read a paper on Tertiary Changes in the Drain- 
age of Southwestern Virginia. 
March 16, 1894. : Special meeting. 
National Rifles’ Hall, 8 p m. President Hubbard in the 
chair. Attendance, 700. 
Professor William H. Pickering delivered an illustrated lecture 
upon Explorations in the Andes of South America. 
March 23, 1894. 95th meeting. 
Assembly Hall of Cosmos Club, 8 pm. President Hubbard 
in the chair. Attendance, 125. 
The amendments to the by-laws proposed February 23 were 
laid upon the table. (These proposed amendments created five 
classes of members—Active Members, Fellows, Honorary Mem- 
bers, Honorary Fellows, and Corresponding Members.) 
Mr Marcus Baker delivered an address upon The Survey and 
Maps of the District of Columbia. 
March 30, 1894. Special meeting. 
Builders’ Exchange Hall, 8 pm. President Hubbard in the 
chair. Attendance, 550. 
Mr Willard D. Johnson delivered an illustrated lecture upon 
The Problem of the Yosemite. 
April 4, 1894. Special meeting. 
Assembly Hall of Cosmos Club, 8 pm. Mr W J McGee in 
the chair. Attendance, 125. 
Dr Carl Lumholtz delivered an illustrated address upon The 
Cliff-dwellers of Mexico. 
April 6, 1894. 96th meeting. 
Assembly Hall of Cosmos Club, 8pm. Mr G. K. Gilbert in 
the chair. Attendance, 50. 
Mr Henry Gannett read a paper upon Statistics of our Indus- 
tries. 
