C. Ossification of the Lateral Cartilages (Side-bones) Definition Symptoms and Diagnosis Causes Treatment Smith's Operation for Ossification of the Lateral Cartilages CHAPTER XI DISEASES OF THE BONES A. Periostitis and Ostitis 1. Periostitis (_a_) Simple Acute Periostitis (_b_) Suppurative Periostitis (_c_) Osteoplastic Periostitis 2. Ostitis (_a_) Rarefying Ostitis (_b_) Osteoplastic Ostitis (_c_) Caries and Necrosis Treatment of Periostitis Recorded Cases of Periostitis B. Pyramidal Disease, Buttress Foot, or Low Ringbone Definition Symptoms and Diagnosis Pathological Anatomy Treatment Recorded Cases of Buttress Foot C. Fractures of the Bones 1. Fractures of the Os Coronæ Recorded Cases of Fractures of the Os Coronæ 2. Fractures of the Os Pedis Recorded Cases of Fractures of the Os Pedis 3. Fractures of the Navicular Bone Recorded Case of Fracture of the Navicular Bone Treatment of Fractures of the Bones of the Foot CHAPTER XII DISEASES OF THE JOINTS A. Synovitis (_a_) Simple (1) Acute (2) Chronic (_b_) Purulent or Suppurative B. Arthritis (_a_) Simple or Serous (_b_) Acute (_c_) Purulent or Suppurative (_d_) Anchylosis C. Navicular Disease Definition History Pathology Changes in the Bursa Changes in the Cartilage Changes in the Tendon Changes in the Bone Causes Heredity Compression Concussion A Weak Navicular Bone An Irregular Blood-supply to the Bone Senile Decay Symptoms and Diagnosis Differential Diagnosis Prognosis Treatment D. Dislocations LIST OF ILLUSTRATIONS