Note 90 — Chapter XXXVII
Reading edition
When allowed to settle on the hand of man, all it is observed to do is to insert its proboscis a little farther than seems necessary to draw blood. It then partially withdraws the dart, which assumes a crimson hue. The mandibles now appear to be agitated; the shrunken body swells; and, in a few seconds, the insect becomes quite full, and quietly abandons its prey.