HAEJHOAEHM HA/VL nPOipjCCOMl PErEHEPAHIH J ENTEROPNEUSTA . 69 



Toro cernieHTa, Hacierb KOToparo o6pa3yeTca caMt xo6orb, t. e. HBjineTCJi AepnBaTOMT, aejioma 



BOpOTHHKa, HJIH TyJIOBHma. 



Ilpn 3M6pioHajn>HOMi> pa3BHTin (y B. kowalewskii, no EsTcony) xoSothom u,ejOMT> npo- 

 ncxoAHTt nyTemt OTinHypoBania caMocTOHTejibHaro HenapHaro iwEinKa orb nepeAHeft qacra 

 nepBH^HOH khidkh 3apoAbiwa. (Bateson, 84, 85). 



tomT), hto bt> o6pa30BaHin nejioiua xo6oTa npn perenepauin KnmeniiHirb ne npnunMaerb 

 yqacTie, ya?e 6buo h3b-ectho LOneHrejuo (Spengel, 93, CTp. 684). 



3to o6croflTejiLCTBO aajio noBOAt ^ejiaaty h Fepyapy (Delage & Herouard, 98, 

 dp. 53) n,HTHpyiomHMT, ero ea6jiK)AeHiH, cA^JiaTb saftrfeqaHifl o cym.ecTByiomeM'b GyATO 6bi 

 npnmiHniajibooM'L HecooTB'BTCTBiH MeatAy nponeccaiviH pereRepairin n orrroreHe3a y Enterop- 

 neusta. 



IIoAoSHoe 3aKJiK)qeHie noTrenHbix-b aBTopoBi, aejib3fl tie npH3HaTb npeacAeBpeMeHUbM'b. 



He crEAyerb 3a6biBaTb, <ito SHTeponejibHbiH cnoco6-b nponcxoasAema nejioMa xo6oTa npn 

 3ji6pioHajbHOM r b pa3BHTin Enteropneusta onncam. noKa jrainb ajih B. koivalewskii (Bateson, 

 84, 85), npoxoAamaro npflMon uhkjit> pa3BHTia. Hto me Kacae r rca t^xi <t>opMT>, KOTopbia npe- 

 Tepn'lBaioT'b npn pa3BHTin MeTaMop<E>03T> n kt> qnciy KOTopbixi, B-fcpojmio, npnHaAJieatnrb n 

 HSCJi'BAOBaHHaa mhow Pt. minuta, to o cnocoS'fe o6pa30BaHia hxt> xo6oTnaro nejiOMa mbi ao chxt> 

 nopx Hnqero ee 3Haenrb. 3tott> nponeccb He HsyqeH'b hh y oahoh h3t> MHoroiHCJieHebixT, *opMi> 

 Tornaria, KOTopwa bt> HacToam,ee BpeiiH im'ECTHbi. Y caMbixx mojoabixT) jih^hhokt., KOTopbia 

 noABeprajiHCb H3CJi'BA0BaHiK), neiOMi) xo6oTa BcerAa yate ABJiaeTCH bt> bha'b Bnojmf> A0##epen- 

 n,npoBaHearo o6pa30Bania. IIpaBAa, bt> JiHTepaTypf, noflBJiajincb yKa3aHia na to, ito y hekoto- 

 pbixT. Tornaria 3tott> opranb o6pa3yeTca rmcierb ctehkh nepBnqHofi khiukh, ho ynasama sth, 

 KaKT> noKa3ajiT) IIlneHrejib (Spengel, 93) coBepmeHHO HeocHOBaTejibHbi. 



TaKi,, ccbUKa MenHHKOBa (Metschnikoff, 70, CTp. 131) Ha Araccnria, KOTopbifi 

 6yAT0 6w HadJHOAaJii. noAoSHbifi npon,eceb, 0Ka3ajacb npocTbWb HeAopasyMtHieMi). AraccHHT> 

 BbicKa3aji. 3to TOJibKO bt> bha'b npeAnoJoateHia (Agassiz, 73, CTp. 426). 



Bojite cepbe3H0 HaSjnoAeme TeTTe (Goette, 75), kotophh n3o6paacaerb na oAnonn. 

 H3"b cbohxtj pncyHKOBi, Tornaria (fig. 25, Taf. 27), y KOTopofi tojiobhoh nejiOMnqecKiil ny3bi- 

 peKi> coeAHHaeTca ct. nojiocTbio KHinequnKa. Ha ocHOBaHin 3Toro pecyHKa Moarao 6bno 6bi 

 npeAHOJiaraTb, ito aBTopii BHA'feji'b y HaSjuoAaBmenca hmt, jih^khkh nporieccb OTumypoBaHia 

 u,eji0Ma xo6oTa ott> cTtHKH nepBH^Eiaro KnuieqHHKa Ha rpaHnn-fe nomeBOAa h atejiyAKa. OAHaKO 

 UlnenreJib yKa3biBaeTi>, ito ecTb MHoro AaHHbixT) npeAno.uaraTb, ito TeTTe HMtjiT) a^io bx 

 AaHHOMii cjiyqat Aaaie He ct> Tornaria, a ch KaKow to Apyrofi JinqHHOHBOH *opMofi x ). 



Hto KacaeTCH caMoro Ulnenrejifl, MHoro nopaSoTaBraaro HaAi> BonpocoMi. o CTpoenin 

 pa3JiHqHbix^ Tornaria CpeAH3eMnaro Mopa, a paBHO h Moprana, noApoSno H3yqHBUiaro MeTa- 



M0p*03T> aMepHKaHCKHXT. ^OpMT,, TO HHKOMy H3T> HHXT> He yAaJIOCb CA^JiaTb HHKaKHX-b Ha6jIK)- 



1) MopraHX (Morgan, 91) TO>Ke nponiBi. bijboaobt. TeTTC. 



