64 



II I T C II C O C K ' S A jS t A T O St Y 



Fig. 82. Fig. 83. 



and 3, Inner and Outer Tuberosity. 4, 4, Naviculare, or Scaphoides. 5, The ln- 



Spinous Process. 5, Tubercle for attach- ternal Cuneiform. 6, The Middle Cunei- 



ment of Muscles of the Thigh. 6, Edge of form. 7, The External Cuneiform. 8, 



Tibia. 8, Internal Ancle. 9, The Fibula. The Cuboid Bone. 9, 9, Metatarsal Bones. 



10 and 11, Extremities of "Fibula. 10, First Phalanx of the Big Toe. 11, Sec- 



ond Phalanx of the Big Toe. 12, 12, 13, 

 13, 14, 14, The First, Second and Third Phalanges of the other Toes. 



are known as the external and internal malleolus, or the two 

 long projections on each side of the ancle. 



143. The Tarsus. — The T ~nm is made up of seven ir- 

 regular bones, forming the iii5«^p of the foot. The Astra- 

 galus is of a cubical form (so named from its resemblance 

 to the die, used in games of chance) and supports the tibia 

 alone. The Os Calcis, meaning the bone of the heel, is the 

 largest of the bones of the tarsus, and is irregularly cubical 



143. How many bones make up the Tarsus ? Why is the uppermost called the Astra- 

 galus ? Which is the largest of these bones ? • 



