The Hidden Children by Robert William Chambers Chapter 5 Page 49

Then in silence still, he lifted the cup to his lips, tasted it, and passed it to me. I wet my lips, offered it to him again. And very solemnly he sprinkled the scarcely tinted contents over the grass at the door-sill.

So was accomplished between this Mohican and myself the rite of blood brotherhood — an alliance of implicit trust and mutual confidence which only death could end.