HABJ1I0AEHM HAJVb IIPOU,ECCOM'L PErEIIEPAUIB y ENTEKOPNEUSTA. 17 



IlpcjKAe Bcero 3aMEqy, hto Bt npOTHBynoJiO}KHOCTb hbkotopwmt. qepBann. (Hanp. Voly- 

 chacta), y kotopbix'b, no HscxfeAOBanifiM'B njknaro paAa aBTopoB-b, upn perenepanin ueJioMi o6pa- 

 ayQTCH BaoBb nsi a-ieMeriTOBt 3KTOAepMbi, y Ptychodera npn perenepanin hoouu ueAom Hmoidanc 

 3aicjiadbteaemca 3aHoeo, a ecetda o6pa3ycmcH nymeMt pa3pocmanin vfiAOua cmapuxz ywcmKOon 

 mnjia. Hn 3KT0AepMa (napyiKHbie nonpoBbi), nn 3HTOAepMa (noToxopAa, snnTejriii KnnieqHHKa) 

 HHKorAa He npHHHMawTi yqacxin bt> nponeccfc pereHepanin sjieiweHTOB-b ncaoMa. Rani npaBMO, 

 lie Hsi'Biomee ncKJiioqeHin, uoeuii ucaomz npu peienepamu Enteropneusta ecmb eceida depu- 

 Gamz cmapaio 1 ). 



OTM'feqy, wo LIIneHrejib, TaKJKe OTpnn.aji'b yqacrie auTo^epMbi bt> nponeccE perenepanin 

 nejionia xoooTa. Ki coauurEiiiK) aBTopT> orpannqHJicfl TOJibKO ynoMnnyTbiMi oipnn.anieM'b b 

 Hiiqero ne eooSmaeTi o toutb, K-bKaKoiuy 3aKJiK>qeHiio oht> npumexb OTnocHTejibno Toro, OTKyAa 

 o6pa3yeTCfl nejioMi, xo6oTa npn perenepanin. 



Pa3CMOTpnM'b 3A"ECb ABa cnyqan, a nnieHHo: 1) perenepaniio OAnoro n,ejiOMa noBOo6pa3yio- 

 marocfl xo6oTa npn tomx ycjiOBin, qro aiunyTanifl 6bua npon3BeAena rjifk enoynb na ypoBH-fe 

 cpeAiien qaern BopoTHHKa n 2) perenepaniio nejiOMOBT. n BoporanKa n xo6oTa. Bt> nocxEAHeM'b 

 cjiyqai JKHBoraoe, crtAOBarejibHo, 6buio aMnyrapoBaHO rAt nn6yAB bi TyjiOBnmiion qacra, 

 t. e. HHJKe bopotuhio, Hanp., rAt nn6yAb b-b oSjiacTH JKaSepnbix-b mejieii, ronaAT) n t. n. 



Ilpn nepBOMi cnocoSi aMnyTanjn, bi nepeAHen qacra ociaBinaroca ofiptsKa ocTaeTCH, 

 cxBAOBaTejiBno, qacra nejionia BoporanKa, a TaKJKe n TyjiOBnm,Hbin nejiOMT. bt> bha^ nepep"E- 

 3aeHaro yqacraa nepnxaMajibHbix'b nojiocTen. 



Ilpn btopomt> cnoco6'B aumyTanin, yqacTOKi T'EJia, KOTopoiwy npeAcronrb perenepnpoBara 



H X060TT> H BOpOTHHKl, COAepJKHTl TOJibKO OCTaTOKX TyJ10BHIH,IiarO UCIOMa. 



HanSo-ate npocraiiui) h earjiBAHbiM'b BBJineTcn BTopon cayqan, cbKOToparo Mbi n HaqneMT.. 



O6pa30Bame i^ejiOMa xodoTa npn aMnyTaijiH b"b TyjiOBHmHOH ^acTH. 



Btj cbok) oqepeAb Mbi Momewb pa3JinqHTb SA^cb ABa caMOCToaTejibHbie Tnna AH'ttepeH- 

 AHpoBaHifl n,ejiOMa, a hmchho: 



1) IIocjif> o6pa30BaHifl He6oJibraaro aKTOAepMnqecnaro KOJinaqKa, t. e. 3aqaTKa xo6oTa, 



MeffiAy 9KTO- B 3HT0ACpM0H BpOCTaK)TT> CnpaBa H CXEBa OTb MeAiaHHOH JIHIliH, t. e. co 



CTopoebi jitBon h npaBofi nojiOBHHOKi dapoH n,ejioMHqecKO0 dojiocth — dea yuacniKa 

 WAOMa, <?s eudtb enoAHib o6oco6MHHbixz o6pa3oeauiu, ct> coScTBeHBbiMi crBBKaMH 

 (pnc. 12-h). 



2) Bi nojocTb noqKH Mea<Ay 3KTOAepMofi h cjifenbiMi kohd,omi> KHmeqHHKa Mnrpupytorb 

 pa3po3H€HHbte dAmeumu ueAeuxmm ciaparo n,ejioMa b-b bhab 6e3nopflAoquon Maccbi 



KJI'BTOK'b. 



1) 3aM-feMy, mto y Hi>KOTopbixi> Polychaeta, Hanp. 

 Saccocirrus, a ua,6jK>AWb TaKoii we cnocodi, o6pa30Ba- 

 hjh n,ejiOMa npn pereHepan,iH. TaKwe o6ctoht"b j,4jio no 



3aii. 'I'H3.-MaT. Otr. 



mohmt> Ha6jnoAeHiflM-b y ofiiypi (Dawydoff, 1901), 11 no 

 Hadaio^eHiaM'b HBaHOBa y Lumbriculus. 



