r. It is simply hard and unyielding in old age, and in all conditions of arte rial degeneration.
C. The rapidity or shortness of the stroke is very observable as an indication of excitement.
v. Its frequency is most remarkable in acute hydrocephalus, varying with unappreciable causes, and generally uneven or unequal.
B. It is still more unequal and depressed, or it is slow and labored, in cere bral disease, especially where the case is marked by pressure on the brain. sr. Irregularity of the pulse is most commonly associated with disease of, the heart, and, along with this, it is remarkably faint and feeble if there be mitral regurgitation.
• A hammering pulse indicates aortic regurgitation.
p. The pulse becomes imperceptible in syncope and in cholera, and more or less faint in all conditions of collapse.
Y. It is sometimes felt only at one wrist, when disease, chiefly in the form of aneurism, affects the origin of the subclavian, on the opposite side. More rarely, this circumstance ut the effect of accidental obliteration. The tongue.
a. The thin white even layer is generally indicative of slight gastric dis order.
R. The thicker coating, from accumulation, exists to its greatest extent in affections of the fauces, and less remarkably in conditions of general de bility ; it has a creamy look in delirium tremens.
y. A peculiar buff leather appearance is presented in cases of enteritis and hepatitis.
8. A patchy tongue is often indicative of considerable irritation, or even partial inflammation of the stomach.
s. Its yellow color is generally believed to be bilious ; a dark-brown color exists only in malignant fever, and in hemorrhage from the mouth.
C. The shining and glazed tongue, especially when chapped, is very common in ulceration of the bowels.
n. The pdpilhe project most remarkably in scarlatina; the general surface being either coated or unusually red (the strawberry tongue).
O. A less degree of projection through a thin white coating often accompa • nies hysteria.
x. Aphtlue and ulcerations indicate imperfect natrition, and tendency to diarrhces.
d. 1. The character of the stools.
a. Motions simply watery are the characteristic of diarrhcea, and their opposite, of a condition of constipation.
13. Undigested food is sometimes seen in the stools.
y. They are of an ochrey color, as well as thin and watery, in fever. 8. They resemble rice-water in cholera.
f. The feces pass in scybalous lumps with blood or mucus in acute dysen tery.
r. Mucous and purulent discharges are seen in the same disease in its chronic form ; pure pus comes away when an internal abscess discharges itself by the intestinal canal.
v. The motions are black and pitchy when blood becomes mixed with the ingests in.the stomach, or upper part of the canal.
0. They are streaked, or more or less mixed with blood of more natural color in hemorrhoids, and hemorrhages low down in the canal.
x. The stools are clay-colored in deficiency of bile.
• They are sometimes frothy and yeast-looking; as if fermentation had taken the place of digestion.
• They may contain fluid-fat, which solidifies on cooling ; this is sometimes connected with pancreatic disease ; or, they may contain biliary calculi, intestinal worms, and even calculi from the kidney.
r. Occasionally the form of the evacuation is altered by passing through a strictured portion of the gut, when that is placed near its lower orifice.
d. 2. The character of the urine.
a. It is remarkably pale, limpid, and abundant in hysteria, but not persist. ently so.
0. It is generally dark colored, with or without deposit on standing, In febrile states y. There is a copious deposit on cooling, when the watery portion is defi cient, and much acid is secreted, as in acute rheumatism.
8. It gives a red stain to the utensil in disorder of the liver, in connection with the foregoing state.
s. It presents a dark porter color in jaundice, from the presence of bile.
C. It has a smoky color from altered blood when acid, and a pinkish hue when alkaline, in htematuria, becoming quite crimson when much blood is passed.