But consider the mode of communication of herd instinct. The communication between the individuals in a herd is not through the mind . It is not through anything said or known. It is sub-mental. It is telepathic.
Why does a flock of birds rise suddenly from the treetops, all at once, in one spring, and swirl round in one cloud towards the water? There was no visible sign or communication given. It was a telepathic communication. They sat and waited, and waited, and let the individual mind merge into a kind of collective trance. Then click!—the unison was complete, the knowledge or suggestion was one suggestion all through, the action was one action.
This so-called telepathy is the clue to all herd instinct. It is not instinct. It is a vertebral-telegraphy, like radio-telegrap
