THE UMBB IN GENERAL. 



109 



3. Digital region. This comprises five digits or toes. The phalanges of these toes 

 are analogous to those of the fingers, from which they are distinguished by their small 

 size. They increase in volume from the first to the fifth digit,. 



Fig. 70. 



Fig. 



Fig. 72. 



BIGHT HUMAN FEMUR; 

 ANTERIOR ASPECT. 



1, Shaft; 2, Head; 3, 

 Neck ; 4, Great tro- 

 chanter ; 5, Anterior 

 intertrochanteric line; 

 6, Lesser trochanter ; 7, 

 External condyle ; 8, In- 

 ternal condyle; 9, Tu- 

 berosity for attachment 

 of external lateral liga- 

 ment ; 10, Fossa for ten- 

 don of origin of popliteus 

 muscle; 11, Tuberosity 

 for attachment of in- 

 ternal lateral ligament. 



HUMAN TIBIA. AND FIB- 

 ULA OF RIGHT LEG; 

 ANTERIOR ASPECT, 



1, Shaft of tibia ; 2, Inner 

 tuberosity ; 3, Outer 

 tuberosity ; 4, Spinous 

 process ; 5, Tubercle ; 6, 

 Internal surface of shaft; 

 7, Lower extremity of 

 tibia; 8, Internal mal- 

 leolus; 9, Shaft of fib- 

 ula; 10, Its upper ex- 

 tremity; 11, Its lower 

 extremity ; between 1 

 and 6 is the sharp crest 

 of the tibia. 



DORSAL SURFACE OF LEFT 

 HUMAN FOOT, 



1, Astragalus; 2, Its An- 

 terior extremity articu- 

 lating with the cuboid 

 bone, 4; 3, 3, Calcis ; 

 4, Scaphoid;/ 5, Inter- 

 nal cuneiform bone ; 6, 

 Middle cuneiform bone ; 

 7, External cuneiform 

 bone; 8, Cuboid bone; 



9, Metatarsal bones of 

 first and second toes; 



10, First phalanx of 

 great toe; 11, Second 

 ditto; 12, 13, 14, Pha- 

 langes of second toe. 



ARTICLE VI. THE LIMBS IN GENERAL AND THEIR PARALLELISM. 



A. THE LIMBS IN GENERAL. The interrupted columns which compose 

 the limbs are destined not only to support the trunk in a stationary attitude, 

 but also to transport it during progression. This double destination gives rise 

 to a difference between the anterior and posterior members. The front limbs, 



