42. Cavities of Skull 57 43. Skull, Median Section 60 44. Scapula 62 45. Scapula 62 46. Clavicle 64 47. Humerus 65 48. Humerus 65 49. Radius and Ulna 68 50. Radius and Ulna 68 51. Bones of the Hand 70 52. Ligaments of the Elbow 74 53. Ligaments of the Elbow 74 54. Innominate Bone of Kitten 76 55. Innominate Bone 77 56. Femur 79 57. Tibia and Fibula 81 58. Bones of the Foot 83 59. Calcaneus 83 60. Knee-joint 89 61. Knee-joint 89 62. Muscles of the Skin 94 63. Muscles on Dorsal Side of Head 97 64. Muscles of Face 102 65. Ventral Muscles of Thorax, Neck, and Head 109 66. Pterygoid and Palatal Muscles 112 67. Muscles of Tongue, Hyoid, and Pharynx 114 68. First Layer of Body Muscles 117 69. Deep Muscles of the Vertebræ and Ribs 125 70. Dorsal Muscles of Lumbar and Caudal Regions 127 71. Deep Muscles of Neck 135 72. Muscles on the Ventral Surface of the Cervical Vertebræ 143 73. Second Layer of Body Muscles 149 74. Diaphragm 152 75. Lateral Muscles of Arm 158 76. Origin of Lateral Muscles on Scapula 160 77. Medial Muscles of Arm 162 78. Origin of Medial Muscles on Scapula 163 79. Deep Medial Muscles of Arm 167 80. Deep Lateral Muscles of Arm 169 81. Areas of Origin of Muscles on Ventral Surface of Humerus 171 82. Areas of Origin of Muscles on Medial Side of Humerus 171 83.