Could you do that ?" She laughed.

"I could drink yours." He bared his arm in an instant, and sank the point of a pen-knife into a small vein.

The red current came out upon the smooth skin prettily.
She looked at Harlson's act in astonishment, and turned a little pale; then, all at once, with a great resolve in her eyes, she bent swiftly forward and applied the red of her lips to that upon the arm.

She raised her head proudly, and he looked at her delightedly.
"How did it taste ?" "Salty"-- with a pucker of her lips and a desperate effort to keep from fainting.
"Yes, there is much saline matter in blood.

Even such admirable blood as that you have just tasted is, no doubt, a little salty.