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Method of preparing and conveying their materials
Structure of their nests.
Carder-Bees
Lapidary-Bees
Pertinacity in defending their nests
Humble-Bees.
Social-Wasps.
Nest founded by a single female
Compared with the Burrowing-Owl
Materials rasped off from wood
Different opinions of Naturalists
Paper made by Wasps.
Structure of the nest
Extraordinary number of cells
Hornet's nest
Architecture of the Hive-Bee
Discoveries, from Aristomachus to Maraldi and Huber
Nurse-Bees and Wax-Workers
Erroneous account by the Abbé la Pluche
Preparation of wax
Conjectures of Reaumur
Discovery of John Hunter
Experiments of M. Huber
Singular facts by Mr. Wiston
Dissections by Madlle Jurine and M. Latreille
100
102
Propolis
105
Discovery by Huber
Opinions of old Naturalists
106
ib.
Various uses of propolis
109
Mr. T. A. Knight's observations
Mathematical problem solved by Bees
Calculated by Maraldi and Koenig
Reasons for the form of the cells
Referred to the form of the Bee
Experiments of Huber.
Cells commenced in the foundation-wall
Deepening of the cells.
Polishing by Nurse-Bees
Distance of the combs from each other
Dr. Barclay's discovery
Irregularities in their workmanship
Anecdote from Dr. Bevan
Similar anecdote from Huber
Symmetry in the architecture of Bees explained
Curved combs
Size of male cells.
Cells enlarged when honey is plentiful
The finishing of the cells
Varnished with propolis
Strengthened with pissoceros
Cells strengthened by the Bee-grubs
Difficulties explained
Mistake of an American writer
Curious experiment of Huber
120
Wild-Honey Bees.
Wild-Bees of America, Ireland, Palestine
143
Honey-guide of Africa.
145
Bee-hunting in America
146
CHAPTER VII.
Carpentry of Tree-hoppers (Cicada)
Mistaken for grass-hoppers
Singular cutting instrument of the Tree-hopper
Double files of.
Their nests.
151
Saw-Flies
152
How they make their exit from the cocoons
Parts used in our manufactures
History of the introduction of silk
Varieties and species of silk-worms
Emperor-Moth
Ingenious contrivance of the cocoon
Spinning-Caterpillars, continued
Elastic cocoon of Tortrix chlorana
314
315
317
318
320
321
322