When applied to the spiral thread of the web, it now no longer sticks to it.

The principle is discovered.

I pull out the leg of a live Epeira.

Brought just as it is into contact with the lime-threads, it does not stick to them any more than to the neutral cords, whether spokes or part of the framework.

We were entitled to expect this, judging by the Spider's general immunity.
But here is something that wholly alters the result.