10th. Says he is quite free from pain everywhere; cough again increased; respirations 50; pulse 110, not intermittent; delirium. 11th. Respirations 60; no sleep; great restlessness; pulse 108, intermittent. 14th. Perfectly insensible; scarcely to be retained in bed; respiration extremely quick; pulse not to be counted. Died. _Thorax._ Mucous membrane of bronchi highly vascular; [left lung adherent to parieties of chest by a layer of coagulable lymph nearly an inch in thickness; substance of lung completely hepatized; pericardium exceedingly thickened throughout, and universally adherent to the heart; heart itself soft and flabby; inner coat of aorta of reddish brown colour.] _Head._ Vessels of pia mater exceedingly turgid; effusion beneath it and the arachnoid; substance of brain very much softened. _Abdomen._ Mucous membrane of ilium vascular. III. CASES IN ILLUSTRATION OF THE MORBID CHANGES WHICH TAKE PLACE WITHIN THE ABDOMEN; OR ABDOMINAL CASES. CASE LXI. THOMAS HINDMARSH, æt. 26. Admitted on the 10th day of fever: too indistinct to give any account of previous symptoms; at present abdomen tender; tongue loaded and dry; bowels purged; mind confused; very deaf; eyes red and suffused; pulse 108, firm. 11th. Abdomen less tender; five stools; insensibility increased; pulse 104. 12th. Abdomen a little tender; tongue quite dry; three stools in bed; noisy delirium; eyes wild and staring; pulse 108. 13th. Tongue no longer to be protruded; no stool; scarcely at all sensible; eye-lids half closed; pulse 96, firm. 21st. Abdominal and cerebral symptoms little changed; sensible of some pain in chest; cough; dyspnœa; pulse 108. 23d. Abdomen still tender, and now become tympanitic; four stools in bed; perfectly insensible; constant muttering delirium; muscular tremor; large slough on sacrum; pulse 116. 25th. Died. _Abdomen._ Peritoneal coat of intestines in general vascular; mucous coat of small intestines highly vascular, and indicated approaching ulceration. _Head._ Not examined. _Thorax._ [Pleuræ of both sides adherent throughout; substance of both lungs healthy; slight effusion of serum into pericardium.] CASE LXII. ISAAC GREY, æt. 30. Admitted on 22d day of fever; no account to be obtained of the previous symptoms; at present the abdomen in general is exceedingly tender on pressure, but especially the epigastrium; tongue brown, dry in centre, moist at edges; very tremulous; scarcely at all sensible, yet seems very apprehensive, almost constantly muttering and crying; face flushed; eyes wild; skin speckled with petechiæ; pulse 112. 23d. Abdomen still very tender; says he is without pain; four stools; delirium; muscular tremor; pulse 100, feeble. 24th. In the early part of last evening became violently delirious, and was extremely restless, constantly tossing his arms about, and throwing off the bed-clothes. Died.