260 RECORD OF SCIENCE FOR 1887 AND 1888. 



NECROLOGY. 



In another and more painful way the biennial period, and particu- 

 larly the year 1888, is memorable ; for the mortality among geologists 

 was unusual: 



James C. Booth, one time State geologist of Delaware, died at Philadelphia, March 

 21, 1883, aged seventy -eight years. 



Albekt D. Hager, once an assistant on the geological survey of New Hampshire, 

 died at Chicago, July 29, 1888. 



Ferdinand V. Hayden, geologist and explorer, long director of the U. S. Geolog- 

 ical and Geographical Survey of the Western Territories, died at Philadelphia, 

 December 22, 1887, aged fifty-nine years. 



Roland Duer Irving, professor of geology in the State University of Wisconsin, 

 and geologist on the U. S. Geological Survey, died at Madison, May 30, 1888, aged 

 forty-five years. 



Henry Carvill Lewis, an active student of glacial phenomena on both sides of 

 the Atlantic, one time a geologist on the second geological survey of Pennsyl- 

 vania, died at Manchester, England, July 21, 1888, aged thirty-five years. 



Augustus R. McCutchen, since 1883 geologist and editing clerk of the State de- 

 partment of agriculture of Georgia, born October 31, 1836, died at Atlanta, No- 

 vember 20, 1887, aged fifty-one years. 



Amos H. Worthen, long State geologist of Illinois, died at Warsaw, May 6, 1888, 

 aged seventy-five years. 



Charles E. Wright, State geologist of Michigan, died at Marquette, March 22, 

 1888, aged forty- five years. 



