rhli'TIUZATlOM liV EXddAMV 



155 



roniiation of (lie i;:iuu-l('s. So-called pi\)i'cssrs of i-oductiou occur in 

 racl\ of tlic nuclei, atul a niatiu'c nucleus is t'onued in eai'li cell which 

 becomes suiToundtvl Ity pro(o|)lasin vei'V much as in the case of 

 a mvxosporc pansporoMast (^Kig. SC, i>. \W). These Iwo Gametic 

 areas then fuse, forniino' a zyi;ote or co[>ula inside of (he joined 

 gregarines, and w i(hin (his copula (he sporozoites are developed, while 

 the surroundino- parcn( cells deo'cnerate antl die. 



I'm. (17 



UilTi'n'lU slil(;,w,if ih,- IhiKi-llMli' I'l'l riii\>il us rnsinilus, l';TI>- (Sl.'iiil, Or.lni:\iy \ c>(;i'l:ll ivo 

 imliviilu.'ils \,A, It. iVi'iu siiU' an.l Ir.Mil ' n'|Mo,lii.-r a<o\iiMll,\' li>- liMiKitudliKil ili\isi,Mi. They 

 nl(iluMfi>ly luH'oiuo i'l;i>lir l,(* :in,l mi,st-il>Ii\ ;iMil two iuiliviilunU iiimn nu'iM in>; U^^ fuse. 



'I'lu' |->'|<"l!l SflTl'll'S M miMulMVIlU', .-Uul lis ] .V. > I , '1 > IllSlU IrilSlUlMllS illtl' llUll.llVlls of N]HMrS, ^^'1 



^^lli.■l^ ,iviii-ki>- urow into llu- piir.'iit t\!M> ^1'. {.', //\ 



Sut'li a coudi(ioM is perhaps to he traced Ivu'k (o (lie |-)rocess of 

 ptnit^to formation in other types of grepirines, where, as in Monoci/stis 

 asridiw, (he (wo organisms nnite in couples and i^ive rise to numerous 

 minute gamctt's which iuo\c In amehoid mo\enients through the liquid 



