=The Anterior Limbs in Certain Animals:= _Plantigrades_: Bear 49 _Digitigrades_: Cat, dog 51 _Unguligrades_: Pig 57 Sheep, Ox 60 Horse 64 Proportions of the arm, the forearm, and metacarpus 70 Articulations of the anterior limbs 71 Scapulo-humeral articulation 72 Humero-ulnar articulation, or elbow 74 Radio-ulnar articulation 75 Articulation of the wrist 75 Metacarpo-phalangeal articulations 76 Interphalangeal articulations 77 =The Posterior Limbs:= _Pelvis_ 78 Iliac bone 78 _The Thigh_ 83 Femur 83 Knee-cap 85 _The Leg_ 85 Tibia 86 Fibula 87 _The Foot_ 87 =The Posterior Limbs in Some Animals:= _Plantigrades_: Bear 90 _Digitigrades_: Cat, dog 91 _Unguligrades_: Pig 94 Sheep, ox 95 Horse 99 Articulations of the posterior limbs 105 Coxo-femoral articulation 105 Femoro-tibial articulation, or knee 106 Tibio-tarsal articulation, and of the bones of the tarsus 107 =The Head in General, and in Some Animals in Particular:= Direction of the head 109 The skull 112 The face 118 The skull of birds 127 MYOLOGY =Muscles of the Trunk:= Pectoralis major 131 Pectoralis minor 133 Serratus magnus 134