LIST OF PLATES. 
I Mr. Eve’s revolving pump— Sketch of an oscillating hollow beam to be filled 
with fluid, proposed as an economical means of communicating power. 
II. Boring Instruments. 
III. Drill plough of Tirhoot. 
IV. Portable Barometer. 
V Chart of the Tides in the River Hugh. . , . ... 
VI. M. M. Dulong and Petit’s Apparatus for determining the expansion of Mer- 
cury. 
VII. and VIII. Shells of the Gangetic provinces. 
DIRECTIONS TO BINDER. 
The numbers 33. & 44. have been omitted, by mistake, in the paging. The plates to 
be placed together at the end of the volume. The covers of the work containing the 
metereological registers to be bound up with it. They may be put together at the 
commencement of the volume before the fly leaf. 
