[9] The continuous line shows the course walked over by the wasp; the short marks at a right angle indicate resting-places; the broken line indicates flight.
TRANSCRIBER’S NOTE:
—Obvious print and punctuation errors were corrected.
[9] The continuous line shows the course walked over by the wasp; the short marks at a right angle indicate resting-places; the broken line indicates flight.
TRANSCRIBER’S NOTE:
—Obvious print and punctuation errors were corrected.