One night done, two more to go, and uncertainty as to what happened then. Tuk started to set up their camp in the shade, but then he noticed the horiz...n to the west getting indistinct, as if there was no longer a difference between where the earth ended and where the sky began. He saw lighter colored streaks catch the sun, and he knew what he was seeing.He quickly got his little nomads on their feet, and took them not to the shade, but to the lee of the butte- for the next little while, sun. No nice and tight, very warm in there, and clean too," he smiled as he lifted his finger to his nose and then stood up from his chair to bring it to my lips. "Taste it for me," he whispered. "Clean my finger, Amy."I looked at Dr. von Siemein as he rubbed the finger that had just been in my ass across my lips and then parted them, urging me to open my mouth and suck it for him. I worked my tongue around it while he watched me with a patient smile."Good girl," he sighed, sliding his finger in and. You can do it here. We don't mind."?Marissa giggled, and her breasts bounced a little. "Sure, and we can give you a little show if you like."?A minute later I was naked on my knees in front of the girls, pumping away at my hard cock. I expected they would undress for me, but they just sat there and smiled.?"Keep going, Millard!" Marissa said, giggling. "You're really cute this way!"?I pumped, noting the swell of Portia's breast against her crop top. Ohhh. It did feel good.I jerked my cock over. "Is that where you're going to operate on me?" she asked."Yup!"Mindy walked up to it and scrutinized it closely. She ran her fingers along the long narrow padded table. Arm supports extended at a 90-degree angle from just above the center of the table, making it look like a horizontal padded cross. She fondled the--obviously custom made--leather restraints mounted at various locations.A thick, heavy, fairly new medical textbook lay open upon a floor-standing antique mahogany pedestal stand of.