Primitive carotid artery not to be tied for a wound of the external or internal carotid; danger of doing it. Wounds of the vertebral artery; illustrative cases. Opinion of Velpean. Parisian in advance of some London surgeons. Wound of internal carotid; case by Dr. Twitchell. Operative process described; case by Dr. Keith. pp. 241-250 LECTURE XIV. Ligature of the common iliac artery; abdominal hernia; ligature of the aorta; of the internal iliac artery; of the external iliac artery--two methods; in cases of aneurism of the gluteal or sciatic artery, the internal iliac artery should be the vessel secured--in all cases of wounds, the wounded artery itself; Dr. Tripler’s (U. S. army) case of wound of the gluteal artery; unsuccessful ligature of that artery, followed by ligature of the internal iliac, and death; errors in the treatment of this case; ligature of the femoral artery in the groin; compression not to be made upon it when the operation is done for aneurism; operation for popliteal aneurism; suppression of urine; constitutional irritation after these operations; popliteal artery only to be tied, when wounded and bleeding; case of wound of the popliteal by a heavy mortising chisel; secondary hemorrhage; unsuccessful ligature of the femoral; subsequent ligature of the popliteal, followed by cure; ligature of the posterior tibial and peroneal arteries; of the anterior tibial artery; of the plantar arteries. pp. 250-269 LECTURE XV. Ligature of the common carotid artery: the external; the internal; the arteria innominata; the subclavian, the axillary, the brachial, the ulnar, the radial, and their terminations in the palm of the hand. pp. 270-283 LECTURE XVI. General remarks. Balls lodged in the brain. Respiration consists of four movements. Excito-motor system of Dr. Marshall Hall. Concussion of the brain; symptoms of first stage; of second stage. Treatment: blood-letting in large and small quantities; mercury; blisters on the head, between the shoulders, and on the nape of the neck; refrigerating lotions; ice. Supervention of mania. Effects of concussion at a later period. Relapses from irregularities. pp. 283-302 LECTURE XVII. Compression, meaning of. Brain compressible; motions of the brain. Symptoms of compression. Paralysis of the opposite side to the injury; of the same side, and of both. Convulsions. Illustrative cases of paralysis. Fissure or fracture of the skull; treatment. Symptoms in more serious cases. Injury to the middle meningeal artery; trephine necessary. Fractures on one side of the skull from blows on the other. Fractures of the base from a fall on the vertex; not always fatal. pp. 302-321 LECTURE XVIII.