PROCEEDINGS. 
511 
Philosophical Society of Washington. 8°, Washington, 1895, 
vol. 13, pp. 103-122. See p. 116 of that paper.] 
It was discussed by Messrs. Mendenhall, Harkness, Wood¬ 
ward, Farquhar, Bauer, and Christie. 
391st Meeting. October 15, 1892 
President Gilbert in the chair. 
Thirty-two members and guests present. 
Announcement was made of the death, on July 30, 1892, of 
Professor Edward T Fristoe. 
The exercises of the evening consisted of the reading of obitu¬ 
ary notices of deceased members as follows : 
Asa Owen Aldis, written by Joseph K. McCammon and read 
by the Secretary. [Published in this volume, pp. 433-435.] 
Mr. William Ferrel, written and read by Mr. Cleveland 
Abbe. [Published in this volume* pp. 448-460.] 
Mr. J. E. Hilgard, written and read by Mr. 0. H. Tittmann. 
[Published in this volume, pp. 462-465.] 
Mr. C. H. Nichols, written and read by Mr. J. M. Toner. 
[Published in this volume, pp. 477-485.] 
Mr. C. C. Parry, written and read by Mr. F. H. Knowlton. 
[Published in this volume, pp. 497-499.] 
Mr. George Bancroft, written and read by Mr. J. B. Marvin. 
[Published in this volume, pp. 442-447.] 
Remarks were made by Messrs. Harkness and Goodfellow. 
392d Meeting. October 29, 1892. 
President Gilbert in the chair. 
Thirty members present. 
Papers were then read as follows : 
Mr. A. W. Harris, on the Agricultural Experiment Station 
exhibit by the Department of Agriculture a f t the World’s Fair. 
Mr. C. D. Walcott, Notes on the Lower Paleozoic rocks be¬ 
tween the Susquehanna and Potomac rivers. [Published in the 
