80 k. h. # a b h .a; B "B, 



Hifl oSycjiOBJieHbi najiHHreHeTnqecKHMT. xoaomt. pereHeHepaTHBearo opraHoreee3a. Bf>Ab najwH- 

 reHeTHqecKin cnoco6T. pa3BHTia H3B-ECTnaro opraHa ecTb bt> to >Ke BpeMH h aTaBncTHqecKifi. 



Ho, roBopa o6-b aTaBH3M-E, a bm-ejit. bt> BHAy ne CTOJibKO cnocoGz Aa**epeHnHpoBaHia Toro 

 hjih Apyroro opraHa, ckojibko noaBJieHie bt> pereeeparE bt> KOHeqHOMT, yate pe3yjibTarE TaKHXT. 

 qepTb opraHH3an,in, KOTopbixT. HopMajJbHbia oco6n He hmtiiott., ho KOTopbmn, BecbMa Bipoarao, 

 oSjiaAajin hxt. OTAajieHHbie npeAKH. 



Hejib3a He co3HaTbCH, ito Bonpoct o6t» aTaBH3Mi; noAqacT. HMfserb hoat. co6ow 3bi6Kyio 

 noiBy. Mbi TOJibKo bt> tomi cjiyqai hmtjcmt. npaBO ymeepoKdamt, ito tott. hjih Apyron npn- 

 3HaKi, Ta hjih Apyran qepTa opraHH3an,iH ecTb npoaBJieme aTaBH3Ma, t. e. 6biJiH cbohctbchhw 

 npeAKasn, H3yqaeMaro atHBOTHaro, ecjin 3HaeMT> sthxt. npeAKOBT. h hxt. opraHH3aniio. TaKx, Mbi 

 HMteMTj nojiHoe npaBO miKOBaTb bt> CMbicjit aTaBH3»ia noaBJieHie HHorAa y jioniaAH AByxT. 

 jiHinHHXT, iiajibn,eBT> no 6oKa»^ HopMajibno cymecTByiouiaro, Tani KaKT. HaMT. H3B-ECTeHT> paAT. 

 TpeTHqHbixT> npeAKOBT> aioro acnBOTHaro, y KOTopbixT. ) r Ka3aHHbie naibUbi 6biJiH xopomo 

 BbipaateHbi. 



Ecjih ate Mbi He 3HaeMT>, He MoaceMT. yKa3aTb sthxt. npeAKOBT., to, pa3yM-feeTca, TOJiKOBa- 

 Hie toh hjih hhoh aHOMajiin bt> CMbicjit aTaBH3Ma ecTb He 6ojite, KaKT. rnnoTe3a. 



y Haci> ecTb Kpomt najiaoHTOJiorin ein,e ABa KpnTepia AJia yacHeuia *HJ0renin hhbot- 

 Hbixx — 3M6piojioria h cpaBHHTejibHaa aHaTOMia. Ilojib3yHCb hmh, mbi, yqHTbiBaa nonpaBKH 

 Ha ueHoreHC3HCi h KOHBepreHniio, anpiopHO, t. e. Jiyqine CKa3aTb, TeopeTnqecKn, AkiaeMT. 3aKJno- 

 qeHie o Mop^ojorHsecKHXTi npH3HaKaxT> npeAKOBT. H3yqaeMOH rpynnbi ajHBOTHbix-b. 



Co3AaBi ea ocHOBanin paAa cooSpaateHin MoptojiornqecKiH Tnm> npeAKa Toro hjih Apyroro 

 atHBOTHaro, mbi, pa3yiwEeTCH, ct. 6ojibinoH AOien npnSjiHaceHia kt. hcthhI; oyAeMT. TOJiKOBaTb 

 Bi) CMbicjit aTaBH3Ma rt OTKJiOHeHia bt> opraHH3an,in 9Toro atHBOTHaro, KOTopbia em,e 6ojifce 

 A^JiaiOTTj ero noxoatHMT. iia TeopeTHiecKH co3AaHHaro bt> nanieMT. BOoGpameHin ero npeAKa. 



TaKi, He 3Haa Aaate najiaoHTOJiornqecKOH HCTopin JiouiaAH, Mbi, pa3yMBeTca, ct. nojmbiMT. 

 ocHOBaHieM^ Morjin <5bi cqnTaTb noaBJieHie y Hen AByxT. jihuihhxt. najibneBb 3a npoaBJieoie aTa- 

 BH3Ma, Tanx KaKb hm'Ejih npaBO, Ha ocHOBaHin cpaBHHTejibHOH aHaTOMin, npeAuojiaraTb nponc- 

 xoatAeHie ea ott, MHoronajiaro npeAKa. 



KaKofi opraHH3anien ofijiaAajin npeAKH Enteropneusta — Mbi He 3HaeMt- IlajiaoHTOJioria He 

 AaeTi) naMT> Ha btotx cqeTi. HnKaKHxi) yKa3aHin. HeMHoro Marepiajiy naeTh HaMi, bt> btomi 

 OTHomeHin n 3M6piojioria. 



TaKHM-B o6pa30Mi, noqTH HCKJiBD^HTejibHO Ha ocHOBadH TOJibKo aHaTOwnqecKaro CTpoe- 

 Hia Enteropneusta, Mbi MoateMT> roBopHTb TOJibKo ct> Gojibnieio hjih MeHbmeio B-fepoaTHOCTbio 

 061, hxt. npoHcxoatAenin ott> KaKOH to BbiMepmen rpynnbi KOJibqaTbixT> qepBen. 



YnoMHHaio a o6t> 3tomt. noTOMy, qTO, cqHTaa rnnoTe3y npoHexoacAeHia Enteropneusta 

 ott> aHHejiHAonoAoSHbixi npeAKOBT> HaHeo-i-Ee BipoaTHOio, a, ecTecTBeHHO, HM-feio nojiHoe Jiorn- 

 qecKoe ocHOBaHie OTHecrn kt. npoHBJieHiio aTaBHCTHqecKHXT. npH3HaK0BT. bcI Ti OTKJiOHeHia 

 ott. HopMajbHaro xoAa opraHoreHe3a, KOTopbia HeBOJbHO yKa3biBaioTT) Ha poactbo H3yqaeMOH 

 rpynnbi ct. KOjbqaTbiMH qepBHMH. 



