Mem.--If meat and bread, and the like, have to be carried, a very large
addition of weight must be made to this list, for the weight of a daily
ration varies from 3 lbs., or even 4 lbs., to 2 lbs., according to the
concentration of nutriment in the food that is used. Slaughter animals
carry themselves; but the cattle-watchers swell the list of those who
have to be fed.
Means of Transport.--In order to transport the articles belonging to an
expedition across a wild and unknown country, we may estimate as
follows:--