CONTENTS OF THE FIRST VOLUME. 



Vll 



CHAPTEE V. 



PASSIVE ORGANS OF LOCOMOTION, CONTINUED. 



External and internal skeletons, 97 



BONE, 97 



Physical Properties, 98 



Animal and earthy constituents, 98 



Researches of Dr. John Davy, and Dr.G. 

 0. Rees on their relative proportions 

 in different bones, 99 



Rickets, mollities, 100 



Bone resists decomposition, 100 



Analysis of the animal and earthy parts, 

 101 



Compact and cancellatedforms of osseous 

 tissue, 102 



Periosteum, medullary membrane, me- 

 dulla, medullary canal, 103 



Long bones, 103 



Flat bones, 104 



Irregular bones, 105 



Eminences and depressions of bones, 105 



Vessels, 106 



Haver sian canals, 106 



Veins of bones, 107 



Mr. Tomes's observations on the ultimate 



structure of the osseous tissue, 108 

 Lacunae and canaliculi, or pores, of the 



osseous tissue, 109 

 Their varieties, 110 ; usual shape and 



size, 111 



Laminated texture of bone, 111 

 Outer, inner, and Haversian surfaces of 



a long bone, 111 

 Periosteal, medullary, and Haversian 



layers, or systems of lamellae, 112 

 Arrangement of the lacunae and pores 



with regard to the vasicular surface 



of bone, 113 

 Lamellae, 114 

 Development of bone, 115 

 Centres of ossification, 116 

 Process of ossification traced through 



its stages, 117 

 Growth of bone, 121 

 Experiments with madder, 122 

 Reparation of bone, 124 



CHAPTER VI. 



PASSIVE ORGANS OF LOCOMOTION, CONTINUED. 



Synovial membranes of joints, 126 



Bursae, 127 



Synovial sheaths, 127 



Synovia, 128 



Serous membranes, 128 



Minute structure of synovial and serous 



membranes, 129 



Physical and vital properties, 130 

 Of the JOINTS, 131 

 Accessory structures, 131 

 Influence of atmospheric pressure on the 



joints, 132 

 Of the/orms and classification of joints, 



132 

 Synarthrosis, Suture, 133 



Schindylesis, Gomphosis, Amphiarthro- 



sis, 134 



Diarthrosis, 135 

 Various motions of joints, 135 

 Arthrodia, Enarthrosis, 136 

 Ginglymus, Diarthrosis rotatorius, 137 

 Mechanism of the Skeleton, 138 

 Cranium, 138 

 Spine, 140 

 Pelvis, 141 

 Thorax, 142 



Pelvis and thorax compared, 143 

 Lower extremities, 144 

 Upper extremities, 147 

 The hand, 149 



