706 



MAMMALIA 



[CH. 



a most awkward gait and the animal is consequently very helpless 

 when not flying. 



FIG. 356. Skeleton of Pteropus medius, a fruit-eating Bat x about . 



1. Clavicle. 2. Keeled sternum. 3. Scapula. 4. Humerus. 5. Eadius. 



6. Ulna. 7. Little finger. 8. Thumb. 9. Ilium. 10. Pubis. 



11. Ischium. 12. Obturator foramen. 13. Femur. 14. Tibia. 

 15. Fibula. 16. Tarsus. 



One of the most extraordinary things about Bats is the 

 development of sensitive patches of skin on the face for the 

 purpose of perceiving faint disturbances in the air. It has been 



