90 K. H. ,H A B H # B T>, 



Mop(J)ojiorH^ecKoe 3Ha^eme aeffraHHTHBHaro nejiouia xoSoTa Enteropneusta h 



OTHoraeHie ero kb nepHEapfliio. 



Il,e.iiOMHqecKiji o6pa30Banin Enteropneusta npeACTaBJiflioT'B Btuawiuificfl pmrepecK /I,ocTa- 

 tohho ynoMnnyTb o tomt>, qTO b"l HacTonra.ee Bpeiwn 6o.ibuinHCTBO Mop*o.noroBi> CKJOHfieTca bt> 

 nojiL3y npiicoeAHnenia stoh rpynnti kt> rpynnfc Triarticulata (Trimetaraera Masterraann'a), 

 C03AaHH0H IUnniKeBHieMb (Schimkewitsch, 93) a-ib JKHBOTHbixt, oS.iaAaiomnx'B TpeMfl 

 cerMeHTaMH, ct> tpcmh caMOCTOBTejibnbMH aciomhtcckhmh o6pa30BaeiflMn. 



TaKHMij o6pa30M^ poACTBeHnbin OTHOiuenia Enteropneusta kt> Pterobmnchia, Phoronis, 

 Bryozoa, Chaetognatha, Echinodermata etc. ocuoBbiBaroTCs rjiaBHbinn> o6pa30Mi> Ha CTpoenin 



HCJIOMa. 



D,e.iOMHiecKi« hojiocth 3aAHflro h cpeAanro cenvieHTOB-t Enteropneusta, t. e. BopoTHHKa 

 n TyjioBHHi,a, ue B036y>KAai0TB unKaKnxT> iieAopasynrEHiii — bt> ooonxt cerMeHraxi hmsh)tch 

 THiinqHbiH napnbiH ufiJiomnecKifi nojiocra. 



Cobcbmi iraaqe oGctobtb a^-io ct> ne.iOMOM'B xo6oia. 



Kani, h3bbctho, ne.iOM'b xo6oTa y bcext> H3BBCTHbix'b npeACTaBHTejieii Enteropneusta ecTb 

 o6pa30BaHie nenapHoe. 



Ob 3thmt> <i>aKTOMT> cnpaBHTbca ein,e ue npeAdaBJiflJio 6bi oco6eiiHaro ipyAa, TaKi. Kairb 

 oprann3aHin xo6oia Aaen> AOCiaTOMUoe KOjnqecTBO AaHHbixi. a-m upeAnojiojKenifl o napHOMT, 

 npoHcxojKACHin 3Toro iienapnaro uejioma (cymecTBOBanie NC3cuTepia Ha GpioiuHoii dopoHt 

 xoSoxa, cocAniienie uciOMa m, nubiXT> anyianxi ab)'mh, CHMMCTpnqiio pacnojio>KeHHbiMH, Hei>pn- 

 Aia.ibHbiMn Kaiiajiaum ct> HapyjKuoii cpeAoii). 



Ho BOnpOCt yCIOJKHfleTCH TBM'b 06CTOflTeJIbCTBOMT>, qTO HapHAy CT> OCIIOBHOH UejIOMHieCKOH 



no.nocTbio btj xo6otb HwtcTcn QUifi AofoiBOTHbiii uejioMnHecKiii ny3bipeKT> bb braI; nepHKapAia, 

 on, KaKt ero na3Bajn> LLlueHrejib — «Herzblase». 



BbiflCHenienn, Mop<i>o.norHqecKaro 3Haienin 3Toro ny3bipbKa Mbi Tenepb n 3afiMeMCfl. 



3tott> opraHt, cj mecTB} K)m,ifi ya;e bo Bpeiun JinMnHoqnon jkh3hh, bb bha^ ny.ibcnpyiomaro 

 uy3bipbKa y Tornaria, 6bun» otkpbit'b oqenb AaBHo h BcerAa Bbi3biBajn> HeAoyMBHie hscjibao- 

 BaTejieH. 



LUHMKeBBMy npHnaA-ieatHTx 3acjyra upaBHJibiiaro ofrbacHeHia Mop*ojiornqecKaro 3eaqe- 

 Hia 3Toro o6pa30Bauia. 



Ki> cBoeS paSorfc o6i> oprann3auin 6tjiOMopcKaro Saccoglossus mereschkovskii Wagn., 

 aBTopi> CTaBHn, Bonpoci o Mop*o.norHqecKOMi> 3naqeHin Tan-B ua3biBaeMaro Herzblase peopourB 

 n p-feuiaerB ero bt> tomx cibicxfc, ^to 9toti> opraHT>, KOTopbifi LLIneHrejib CHnTa.ra 3a cepAue, 

 ecTb BOBce ne cepAHe, a upeACTaB.iJierb co6ok> yqacTOKx nejioMnqecKoii hojocth. 



Bourne bt> 1889 roAy Hoqm OAHOBpeMcrmo cb LLInMKeBHqeM'L, BbicKa3ani B3rjiHA'b, no 

 KOTopoiuy nepBKapAin iipeAcxaBJifleTT, co6oio OAHy n3T> hojiobhhok^ nepBOHaqajibHO napHaro 

 ue^OMa xoGoTa. «<The most plausible explanation of this structure)), roBopnTi 3tott> aBTopi>: 



