. HAEJUOflEHia HA,H,T> nPOH.ECCOM'b PErEHEPADiH y ENTEROPNEUSTA. 79 



npHBbiqK'fe — mh npHBbiKJiH cmoTp-BTi, Ha 6ioreaeT0qecKi0 3aKoei, nani Ha hto to Bnojmfe 

 eciecTBeHHoe h CBH3b 3M6pioHajibHaro pa3BHTia ct aBOJiwaien opraHH3MOB-b KaateTca HaMi> 



HeCOMHtHHOH H HCHOH. 



Mbi KaKt to neosoTHO B03BpamaeMca Bcerjia ki MbicjiH o tomt>, qTo stotx 6ioreHeTHqe- 

 CKiS 3aKoni ecrb bt> cymHocrn TOJibKO xopoiuan pa6oqaa ninoTe3a. IIoqeMy 6bi He BBA'ETb bt> 

 MeTOAt H3yqeHia pereHepaTHBebixt npon,eccoBT> cl ToqKH 3ptHia yflCHeHia *HJioreHe3a, TaKOH 

 ate paSoqen ranoTe3bi. 



npoayKTHBHOCTH 3Toro MeTOAa cnopHTb Hejib3H. <£aKTbi roBoparb cane 3a ce6a. 



He Hytfrao 3a6biBaTb OAHoro Baataaro o6<rroaTe.iibCTBa, a HMeHHO — 6oxfee nepBnqHaro xapan- 

 Tepa pereHepaTHBHaro opraHorcHe3a no cpaBHeBiio ct> 3w6pioHajibHbiMT>, H3o6njiyK»in,HMT> nenore- 

 ae3aiuH, a TaKate npoaBJieaia HHorAa aTaBHCTHqecKnxi npH3HaKOBT> npn pereaepanin. 06a sth 

 o6cTOHTejibCTBa AawTL b-l pynn H3CJif>A0BaTejiH Kjnoq-b kt> pacKpbiTiw MHornxx ^HJioreHeraqe- 



CK0XT> TaHHT.. 



B-l upeAbuymea rjiaBi a H0Ka3ajiT>, qTo npoaeccL pereHepanin Ptychodera npHHHHniajibHo 

 He OTJinqaeTca ott> OHToreHe3a — h3t> cpaBnenia nojiyqeHHbix'b mhokj AaHBbixi ct HMitoinHMHca 

 ea6jiH)AeeinMH HaAi> nponeccoMt 3M6pioHajibHaro pa3BHTia Jierao y6'EA0Tbca, qTo bt> 6o.nbinnH- 

 CTBt cjiyqaeBT> j&Jio HAeTi Aaate He TOJbKO o npunuuniajibHOMz cxoactb-e, a npaMO-TaKH o hoji- 

 homt. ToatAecTBt o6ohxt> npon,eccoBi). 



IIpaBAa, bt> npoueccis An**epenunpoBaHia HEKOTopbixT. opraHOBi, mm 3aMf»qaeMi HHorAa 

 H3B-fecTHbia OTKJioHCHia otl Toro nyTH, no KOTopowy c.i'EAyeT'b opraHoreHe3i) npn 3M6pioHa.ib- 

 homi pa3BHTin, ho, K&Kb 0Ka3biBaeTca, sth to HCKJioqeHia h omnoHeHia ajih HacL Kanx pa3i> h 

 npeACTaBjaioTca oco6eaHo H'BHHbiMO. 



Kt TaKHMi) OTKJioHeHiaM^ Hyacuo othccth, Meauy npoqnM'K nponeccx o6pa30Bama nepn- 

 KapAia h He*pnAia xo6oTa. Cnoco6T> pa3BHTia sthxt. opraaoB-b npn pereHepanin HtcKOJibKO 

 pa3HHTCfl ottd Toro nyTH, KOTopoiwy c.ii'EAyiOT'i ohh npn CBoein. o6pa30BaHiH bo Bpema 3M6pio- 

 HajbHaro pa3BHTia. 



HHTepeci> 3T0XT. OTKJiOHeHiS 3aKJ»oqaeTCH bt> tomt>, qTo npn perenepauiH yKa3aHHbie 

 opraHbi o6pa3yioTca 6oxfce nepBHqHbiM'L (najiHHreneTnqecKHM'L) nyTeMX, q^MX npn OHToreaest, 

 rAt>, HecoMH'EHHO, npon,ecci> 3aTeMBeHi. 6jiaroAapa neHoreHe3y. 



06a sth o6croaTejibCTBa, t. e. 1) o6Hapy>KnBineecH npHHunniajibHoe cxoactbo MeatAy pere- 

 Hepaniefi h OHTorene30MT> h 2) 6oj[ie nepBnqabiH xapaKTepi. pereHepaTHBHaro opraHoreHe3a bt> 

 H-EKOTopbix-b cjiyqaax^, caiwn no ceet 6biJin 6bi AOCTaToqHbiMH A-ia Toro, qTo6bi HM-BTb npaBO 

 Bocnojib30BaTbcn AaHHbiMH pereHepaTHBHaro opraHoreHe3a npn o6cyatAeHiH HiKOTopbixi Bonpo- 

 cobt> *MoreHe3Hca. 



Ho H3yqeHie pereHepauin Enteropneusta HaM-b AaeTi> em,e oahht> Kjnoqi>, noMombto koto- 

 paro MoatHO Bocnojib30BaTbca. H hm-bk) bx BHAy hmchho rfe cjiyqaa aTaBH3Ma, KOTopbie HHorAa 

 Moatno o6Hapyat0Tb bo BpeMfl xoAa pereHepaTHBHbix-b nponeccoBi, btd pereaeTaTt. 



B-b cyinjiocTH, roBopa o6t> aBJieHiax'b aTaB03Ma, mm MoateM-b kt> h0mt> othccth rfe 

 OTHJioneHia ott. HopMajbHaro pa3B0Tia, KOTopbixi 6wjio roBopeHO Bbime, pa3i sth otkjohc- 



