Plan 3. Lower floor of the botanical building. 
(k) Embryological laboratory. 
(1) Microtomes. 
(m) Assistants in charge of the building. 
(n) Bacteriological laboratory. 
(o) Dr. Lyons’s private laboratory. 
(p) Dark room. 
Plan 4. Second floor of the botanical building. 
(q) General laboratory. 
(r) Dr. Mottier’s private laboratory. 
Slight modifications may be made in these plans during the construc- 
tion of these buildings. They will be ready for occupation June 1, 1899. 
EXPLORATIONS IN THE CAVES OF MISSOURI AND KENTUCKY. 
By Cart H. EIGENMANN. 
Through a grant of $100 from the Elizabeth Thompson Science Fund 
and the liberality of the Monon, Louisville & Nashville, Louisville, Evans- 
ville & St. Louis, and St. Louis & San Francisco railroad companies, I have 
been able to put two short vacations to the best use possible. The first 
week in September was spent in southwestern Missouri and the southeast- 
erm part of Iwansas. 
While much incidental information was gathered concerning caves and 
cave animals, the chief work of the trip was to visit Marble Cave in Stone 
County, Rock House Cave in Barry County, Spring, Day’s, Wilson's, and 
Carter’s caves in Jasper County, and a cave whose name I have lost, east 
of Springfield in Green County, Missouri. The actual results were ob- 
tained in Marble Cave, Rock House Cave and Day’s Cave. 
To reach Marble Cave it was necessary to travel nearly forty miles 
from the railroad over a rough country well deserving the name of Stone 
County, for in some places it was a speculation where the inhabitants 
were able to secure mud enough to stop the chinks in their log houses. 
Marble Cave opens at the top of a hill that is, I was told, 675 feet above 
White River, a short distance away. The entrance leads down over a 
winding stairway and around a pile of fallen debris for over a hundred 
