COLLATERAL SYSTEM. 125 
the question, and confessedly all such appurtenances 
of the apiary, however admirable from an esthetic 
point of view, are forbidden to the man who follows 
bee-keeping for a profit, and concern him only whose 
hives, like his hot-houses, are a ‘thing of beauty,” 
and a source of recreation. 
COLLATERAL SYSTEM.* 
Various modes of working hives collaterally, or side 
by side, have been devised, but a very simple one has 
been practised with success by a correspondent, which 
as adapted by me may with propriety be termed a. 
doubling-board. It is formed of a plain board not less 
than an inch thick. It must be of sufficient width to 
take a broad shallow hive, and long enough to contain 
two of these, with six or eight inches to spare. 
* The first portion of this section is from the last edition. 
