The SciencesJune 11, 1881
A Mushroom Farm in Mammoth Cave
Stories by H. C. Hovey
The SciencesApril 30, 1881
More about Pickett's Cave
The SciencesApril 23, 1881
Pickett's Cave
The SciencesJanuary 15, 1881
Howe's Cave
EnvironmentJanuary 8, 1881
The Albion Coal Mines
The SciencesNovember 27, 1880
Hydraulic Cement
The SciencesJune 12, 1880
The Crinoids of Crawfordsville
The SciencesJanuary 10, 1880
The Basket Fish
The SciencesNovember 8, 1879
The Fisheries of the United States
The SciencesMarch 8, 1879
The Luray Cavern
The SciencesJanuary 18, 1879
The Luray Cavern