Yersin's se'rum

(yer-zaii') [Alexandre Yersin, French army surgeon, bom in Switzerland, *i863.] An antitoxic protective and curative serum for plague; it is obtained by repeated intravenous injections of a virulent culture of the plague bacillus (first dead, later living and in increasing amount) into the horse; the animal is bled a 1I2S fortnight after the final injection and the serum is prepared from the blood. 1 [G. hylS, stuff.] In chemistry a termination signifying that the substance is a radical. lene. In chemistry, a sufifix denoting a bivalent hydrocarbon radical. lig'ament. Lig amentum iliofemorale [BNA]. ihimbe, yohimbi (yo-him'ba, yo-him'be) [native African name.] The bark of Corynathe yohimbi, an African tree supposed to po e aphrodisiac properties. 'himbine (yo-him'ben). An alkaloid, the active principle of yohimbi; employed hypodermically or by the mouth for impotence, in the form of the hydrochloride, in doses of gr. ^^"5 (o 006-0 oi 2)... (ke (yok) [A. S. geoc] Jugum. y. bone, malar bone, OS* zygomaticum [BNA]. ilk [A.S. geolca; geolu, yellow.] Vitellus. )ung-Helm'lioltz the'ory of color blindne . [Thomas Young, English physicist, 1773-1829; Hermann Ludwig Helmholtz, German physicist, 1821-1894.] There are three sets of color-per-_ ceiving elements in the retina, for red, green, and' violet, respectively, the perception of the other colors arising from the combined stimulation of these elements. The lo of any one of these elements results in inability to perceive that primary color and a misperception of any other color of which it forms a part. Dung's natural Gas Well and Mineral Springs, California. Saline-alkaline-chalybeate-carbonated waters, 76° F. Used by drinking in affections of the liver, bowels, and kidneys. Dung's rule [Thomas Young, English physician,