The Professor and I crouched down behind our rock, and held our weapons ready.

I could see that he was determined that they should not pass.

One and all were quite unaware of our presence.
All at once two voices shouted out to "Halt!" One was my Jonathan's, raised in a high key of passion.

The other Mr.Morris' strong resolute tone of quiet command.

The gypsies may not have known the language, but there was no mistaking the tone, in whatever tongue the words were spoken.