282 
Transactions of the Society. 
g is the volume of the elliptical cylinder, li that of the prolate spheroid, 
and h that of the conical end, m being the mean between g and h. 
An enlarged model was made of the following dimensions in 
inches, l = 2*2, h = 1*5, and d = 1*1, this was found to displace 
2 * 02 cub. in. of water. Its volume when computed by the above 
formula came out as 2*04 cub. in., an agreement sufficiently near 
for the purposes in question. 
