Introductory material
Reading edition
HOW TO KEEP BEES
An ordinary beehive made into an observation-hive by inserting glass panes in sides and putting a glass sheet under the wooden cover. (From V. L. Kellogg.) An observation-hive holding only two frames, with the two sides wholly of glass, so that any single bee can be continuously watched. (From V. L. Kellogg.)
