CHAPTER II.

PATHOLOGICAL CONDITIONS. SECTION I.—OF THE SKULL, 34 Fracture; Caries; Thinning; Increased Thickness, 35 SECTION II.—THE MEMBRANES OF THE BRAIN. 1. _The Dura Mater_, 36 Inflammation; Thickening; Fibrinous Clots, 37 Tubercular Deposits; Tumors, 38 2. _Arachnoid and Pia Mater._ Pacchionian Bodies; Inflammation; Serous Effusions; Sanguineous Effusions, 38 SECTION III.—OF THE BRAIN. What to notice; Inflammation; Softening; Abscess; Hardening; Hypertrophy; Atrophy; Tumors of the Brain; Adenoid Tumors; Scrofulous Tumors; Adipose Tumors; Cholesteroma; Cartilaginous Tumors; Calcareous Deposits; Encysted Tumors; Blood Cysts; Cancer; Melanosis; Syphilitic Tumors; Obstruction of Arteries; Degeneration and Calcification of Arteries, 47 SECTION IV.—OF THE SPINAL CORD. 1. _The Membranes._ Inflammation; Tubercular Deposits; Serous Effusion, 60 2. _Spinal Marrow._ Inflammation; Softening; Hardening; Atrophy; Morbid Growths, 62

PART II. THE NECK AND CHEST.

OPERATION ON THE NECK AND CHEST.