A Reference handbook of the medical sciences embracing the entire range of scientific and practical medicine and allied science . all within the limits of agenus named Coceidium by R. Leuckart in 1879, and thisname has been generally incorporated into w<irks on thesubject. At a very recent date, however. Stiles andLiihe have independently called attention to the fact thatthe name Eimeria, intniduced in 1875 by Aime Schneider,has the right of priority, and must replace the more com-mon form according to laws of zoological is really fortunate from the general standpoint sinc
A Reference handbook of the medical sciences embracing the entire range of scientific and practical medicine and allied science . all within the limits of agenus named Coceidium by R. Leuckart in 1879, and thisname has been generally incorporated into w<irks on thesubject. At a very recent date, however. Stiles andLiihe have independently called attention to the fact thatthe name Eimeria, intniduced in 1875 by Aime Schneider,has the right of priority, and must replace the more com-mon form according to laws of zoological is really fortunate from the general standpoint sincethe name coccidia has been very generally used for theentire group as well as heretofore for the genus; yet this the host requires two to three weeks. The entire spheredivides into four sporocysts each with a thick coveringand with a length to a breadth of Two comma-shaped sporozoitesare formed in eachsporoc3st, and agranular residualluass of protoplasmlies in the hollow be-tween their enhirgedends (Fig. 5179). thesporozoites are setfree by gastric diges-tion. They ascendthe gall ducts, pene-. IKi. 5178.—Eimcna Stitdir, Sporogonyfrom Liver of Ual)bit. a. Young oocyst;h, same with prol4:)pIasm contracted pre-paratory to division; c, saun- (]i\iiledinto four sporocytes. eacli couiainingtwo sporozoites which liave alreadydeveloped. Magnified, (a, b, afterLeuckart; c, after Simond.) 638 REFERENCE HANDBOOK OF THE IVIEDICAL SCIENCES. trate the epitlielial cells, and ivhen fully grown mm. in lengtli by mm. divide into from 30 to 200 merozoites (Fij;. .517(j)which spread the the formation ofmacro- and microgametesleads to the fertilized spo-ront stage, tlie This species is an abund-ant parasite of the rabbit, iuwhicli it parasitizes in theepithelium of gall ducts andliver. According to the de-gree of infection sooner orlater inflammation and pro-liferation of the
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