76 



K. H. fl A B H ,H B T>, 



npeAnojOHteHifi, ho no.ioJKHTe.iibHbix'b AaHFibixT., ocHOBaimbix'b Ha HenocpeACTBeuBbixT. Ha6ito- 

 AeHiaxt, y nacx He HM-feeTca. 



Bstcohx (Bateson, 85) 6bWh Toro MatHia, ito cKejien xo6oTa o6pa3yeTca nacnerb 

 HOTOxopAw. rioAo6Haro ate B3rjiHAa Aepacajica h Keiep'b (Koehler, 86, crp. 150). 



LUneHrejib (Spengel, 93) iioapo6ho ocTaHaBJiUBaeTCH Ha Bonpoci o npoHCxoacAeaiH CKe- 

 jieTa xooVra Enteropneusta (cip. 487 — 505). Kt> coacajitHiio aBTopi. HSBtcTHOH MOHorpa*ia 

 lie hm^jit. bt> CBoeMi pacnopaaceiiin aiufipiojiorniecKaro MaTepiajia. Ho, AeTajibao H3CjtAOBaB-b 

 rncrojioriK) cKCJieia, a Tanace cooTiioineHia Mea^iy cnejieTOMi n OKpy^aromnMH TKaHHMH h 

 opraHaMH, IHneHrejib npnmejix kt> aaKjnoiemio, qro bi> o6pa30BaeiH xo6oTiioro CKejieTa npn- 

 HHMaeT"b yqacTie crfeHKa nejioMa. 



Ha MHornxt pacyHKaxi, npHBeAeeHbixij UlneHrejieMi., bhaho yqacTie bt> o6pa30BaHin 

 CKejieTa xo6oia KaKi. nejioMHiecKaro snnTeJiia, Tani. h a-ieiweHTOBi Hejienxniubi. 



06pa30Baaie CKejieTa h3t> kjvetohhoh luaccbi mojkho 6mjio npeAnojraraTb yate a3bho tia 

 ocHOBaHin rfex'b Aannbixi, KOTopbia 6bun ony6jiiTKOBaHbi MapioHOMi (Marion, 86) otboch- 

 TejibHO CTpoema CKejieTa xoSoia Glandiceps talaboti 1 ). 



HTaK^, na ocHOBaHin H3CjrBAOBaHiH Hlnenrejia MoatHO ci> AOCTaToiHon AOJiefi yB-fepeH- 

 hocth npeAnojiaraTb nejiomnqecKyio (iiejieHxnMHyio) npnpoAy CKejieTa y Enteropneusta, t. e. 

 npoeecmu nojiuyw napctAJiejib Mewcdy npoueccoMz o6pa30oauin dmoio opiana npu oumoieuiu u 

 peieuepauiu. 



Ho, pasynrfeeTCH, OKOHqaTejibHoe ptineHie Bonpoca 6yn,eTh 3aBne£Tb ott> AaJbHiHrnHX-b 

 3M6piojioraqecKBxx HscjitAOBaHin. 



HepBHaa cncTOMa. 

 npn 3M6pionajibHOMi pa3BPuiH hojiwh HepBT> BopoTHHKa KOTKerb o6pa30BaTbca pa3JiHq- 



HWMB CH0C06aMH. 



npeatAe Bcero iiyatHO samiTHTb, hto Ha caMbix^ paHHHXT> CTaAiaxi. y 3apoAbiiua HMieTca 

 nenpepbiBnoe yTOJiuieHie 3KT0AepMbi BAOJb MeAiannoH JiHHin Aop3ajibHOH ctopohm. Ha stoh 

 CTaAin BoponinKOBbiB HepBT, ne OTJiH^aeTCH no CBoeiny CTpoeHiio h nojioateHJK) ott. nepBa Tyjio- 

 Bnra,a, KOToparo oirb cjiyatnrb npaMbinn. npoAOJiateHienn.. 



^ajibii-Eiiuiaa AH**epeHn,HpoBKa coctohtt. bt> tomt», ito bt> o6jiacTH BopoTiiHKa, oopa30- 

 BaBuiifi HepBHbin Taan. oTAtjaeTCH ott. SKTOAepMbi h nepewtmaeTCH BHyTpb, boat. Koa;- 

 Hbin cjiob. 



1) Illnenrejit, BnponeMT., ao BfcKOTOpofi CTeneHH 

 no^TBep^AaeT-b Taione h BbimenpHBeAeHHbiH HafijuoAenia 

 Bateson'a it Koehler'a. JJ.tncTBHTCJH.Ho, ero npena- 

 paTi> (pnc. 55 taf. 28) y6t>AHTejibH0 A0Ka3UBaeTi., hto 

 «ausser dec Colomen betheiligt sich cndlich bei Gl. tala- 

 boti auch noch der Eichcldarm an der Bildnng von Fort- 

 satsen, die in die Skeletsubstanz — in diesem Fall natiir- 

 lich ia die primare — eindringena (cTp. 505). SaMtiy, 



KCTaTH, hto Illnenrejib npnAaeTi 3Toi«y caoco6y o6pa- 

 30BaBin cKe.ieTa BTopocTeneHHoe 3HaweHie. T4mi 6ojiie 

 CTpaHHbiMi KaweTca MHt 3autMaaie IMeHiua u Koji- 

 jiepn (Mehnil&Caullery, CTp. 234), KOTOpwe ciHTa- 

 iottj Bonpoci. 6e3noBopoTHO p-EmeHHuin. bt. tout. CMbi- 

 CJit, <ito cKejieTi. xofioTa o6pa3yeTca Bcer^a Ha cierB 



HOTOSOpAH. 



