No, she would not allow herself to be robbed of the wallet with impunity, if my fingers were not supplied with an implement.
By dint of pulling and shaking the pill with the forceps, I take it from the Lycosa, who protests furiously.

I fling her in exchange a pill taken from another Lycosa.

It is at once seized in the fangs, embraced by the legs and hung on to the spinneret.

Her own or another's: it is all one to the Spider, who walks away proudly with the alien wallet.
This was to be expected, in view of the similarity of the pills exchanged.
A test of another kind, with a second subject, renders the mistake more striking.

I substitute, in the place of the lawful bag which I have removed, the work of the Silky Epeira.