Hints for the Formation of a Theory of the Earth. 193 
peated shocks they experience : the motion of a horse is 
gentler, as well as more regular. Scuttles are employed 
in all countries where the grapes are not very ripe, and 
where there is little danger of their being injured by the 
carriage. 
f To he continued .J 
No. 26. 
Agenda ; or a Collection of Observations and Researches 
the Results of which may serve as the Foundation for 
a Theory of the Earth . By M, de Saussure, 
(Continued from page 130.) 
CHAP. VI, 
Observations to he made on Rivers and other Currents 
of Water . 
1. Extent of their course, and their inclination from 
their sources to their mouth, 
2. Their dimensions, breadth, depth, and velocity in 
the different parts of their course. 
3. Quantity of their periodical increase and decrease 
at different seasons ; their temperature during these sea- 
sons ; and the causes of these variations. 
4. Limits and causes of their extraordinary inunda- 
tions, 
5. Whether they are navigable, and to what distance 
from their mouth ? 
6. The nature, purity, and salubrity of their waters, 
7. The nature of the sand or mud which they carry 
along with them ; and to what distance they may be 
traced on the banks or at the bottom of the sea where 
Vol. I. R b 
