Lemur's Little Finger Poses a Mystery (IMAGE) University of Alberta Caption The first handbones found of the ancient Hadropithecus lemur reveal a mystery arch by the little finger. Credit Photo by Dr. Pierre Lemelin, University of Alberta. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.