328 The American Geologist. May, 1900 
"Geologic aspects of southern California", Bailey Willis. 
The program for April 18 is as follows: "Notes on the 
geolog)' of the upper White and Tanana basins", A. H. 
Brooks; "Reconnaissance along the Gans de Large and Koy- 
ukuk rivers, Alaska," F. C. Schrader; "The siliceous ores of 
the Black hills",]. D. Irving. 
Iowa Geologists. The April number of "Annals of 
Iowa" contains a sketch, with portrait, of Mr. Frank Lev- 
erett. His work in glacial geology is discussed, especially 
"The Illinois Glacial Lobe", which is the title of a mono- 
graph (No. XXXVIII) prepared by Mr. Leverett and re- 
cently issued by the U. S. Geological Survey. This sketch 
was prepared by Dr. Charles R. Keyes. In the same maga- 
zine notice is called editorially to the important contribu- 
tions to glacial knowledge made by Iowa geologists — Mc- 
Gee, Calvin, Todd, Leverett and Bain, — and to Dr. Charles 
A. White, formerly State Geologist of Iowa, who has been 
elected a foreign member of the Geological Society of Lon- 
don. 
Meeting of the National Academy. The regular an- 
nual meeting of the National Academy was held in Wash- 
ington, April 18-20 inclusive. 
The attendance was not large, the following only being 
registered: Wolcott Gibbs, president; Asaph Hall, vice 
president; A. Agassiz, foreign secretary; Ira Remsen, home 
secretary: Charles D. Walcott, treasurer; J. S. Billings, H. 
P. Bowditch, C. J. Brush, A. Hague, S. P. Langley, S. New- 
comb, Cleveland Abbe, J. Asaph Allen, Charles E. Beecher, 
Lewis Boss, William H. Brewer, W. K. Brooks, Seth C. 
Chandler, Russell H. Chittenden, Cyrus B. Comstock, U. S. 
A.; George C Comstock, William H. Dall, Edward S. Dana, 
Clarence E. Dutton, U. S. A.; William L*. Elkins, Samuel 
F. Emmons, W. G. Farlovv, Grove K. Gilbert, Theodore N. 
Gill, George W. Hill, S. Weir Mitchell, Edward S. Morse, 
Frederick W. Putnam, Charles A. Schott, William H. 
Welch. 
Below is given a list of the papers presented: 
"The Anatomy of the Nautilus Pompilius", L. E. Griffin; 
"West Indian Madreporarian Polyps", J. E. Duerden; "On 
the Use of Electric Motors of the Shunt Type for Solving 
Linear Differential Equations of Any Order with Variable 
Coefficients", Reginald A. Fassenden; "On the Prediction 
of the Physical Properties of the Pure Metals", Reginald A. 
Fassenden; "An Explanation of Certain Features of the 
Semidiurnal Lunar Tide in the Ocean", Rollin A. Harris; 
"The Cruise of the United States Fish Commission Steamer 
Albatross in the South Seas, August, 1899, to March, 1900", 
A. Agassiz; "On the Zoogeographical Relationships of Af- 
