CONTENTS XI 



Page 



General Structure, 155 



Capillaries, iSS 



Arteries 157 



Veins, 162 



Technic, 164 



The Heart, 165 



Technic, 167 



Development of the Circulatory System, 167 



The Lymph-vessel System, 169 



Lymph Capillaries, 169 



Lymph Spaces, 169 



Development of Lymph-vessel System, 170 



Technic, 170 



General References, 170 



CHAPTER XII 



Lymphattc Organs, 171 



Lymphatic Tissues. 171 



The Lym.ph Nodes, ^ 171 



Lymph 17S 



Chyle 175 



Development, 176 



Technic, 176 



Hasmolymph Nodes, i77 



Technic, i79 



The Thymus, i79 



Development, 181 



Technic, 182 



The Tonsils, 182 



The Palatine Tonsils, 182 



The Lingual Tonsils, 184 



The Pharyngeal Tonsils, 184 



Development, 184 



Technic, 185 



The Spleen, 185 



Technic, 191 



General References 192 



CHAPTER XIII 



The Skeletal System 193 



The Bones, 193 



Bone Marrow, 197 



Red Marrow, 199 



Yellow Marrow, 201 



Technic, 202 



Development of Bone 202 



V/ Intramembranous Development, 203 



Intracartilaginous Development, 205 



Subperiosteal, 207 



Growth of Bone, 208 



Technic, 208 



The Cartilages, 209 



