HAEJUOflEHM HA^T) BPOaECCOMT, PErEHEPAI^IH Y ENTEROPNEUSTA. 



59 



HepBHaa CHCTGMa. 



IlepexoAa kt> onncaHiio o6pa30Bauia iiepBnon caereMbi apa pereaepaaia Ptychodera Mirfc 

 rjaBDMMT, o6pa30Mt, pa3yMicTca, npeACToarb BbiacenTt pa3BBTie BopoTHBKOBaro Aop3ajibBaro 

 ncpBa, HM-Eiomaro bbai Tpy6"i<a. 3tott> opraet HMten, 6ojituioe TeopeTBqecKoe 3Baqeaie a 

 a3yqeniK) ero AB<M>epeaaHpoBKa a uocBBTBjn> Muoro BpeMena. 

 Ho apeatAe, vbti, 



c-f- ? 



SI t 



£* T 

 32? 



aepexoABTt at b3jio- 

 ateaiw BMiaoajaxca bt, 

 MoeMi. pacaopaateain 

 Aaaabix-L OTaocBTejibBO 

 o0pa3OBaHia aepBa bo- 

 poTBBKa, cKajKy ABa 

 dOBa o6i> oSmemt 

 xoa'E AB<M>epeBii,flpo- 

 Baaia aepBaoa CBCTe- 

 mbi y Ptychodera apB 

 pereuepau,ia. 



Kaai. bsb^ctuo, 

 BCK)Ay boatj aapyjKBoa 

 3KTOAepMoa Enterop- 

 neusta aiwEeTca pa3- 

 jiBaHOB mobiboctb aep- 



BBOBOJOKBflCTblB CJIOB, 

 OA'BBaKDUl.iB BX BBA^ 



cnjioaiaoro Miaiaa bcio 



BOBepXBOCTb atBBOT- 



aaro. Stott. boakoh- 



BblB BepBBO-BOJIOKBB- 



CTbia cjiob aoaBJiaeTca 

 oqeab paao — aoaTB 

 TOTqacL bo o6pa30Ba- 



BiB BOBOB 3KTOAepMbI 



boat> aero aaqBBaeri Aa<M>epeflaapoBaTbca 3Ta xapaarepBaa TKaub. Oaa o6pa3yeica (k3lk% 

 3to yace 6fci.no Aoaa3aHO EaicoaoMTb (85) A-ia Balanoglossas Jcowalewskii) ayTemi o(5pa30- 

 Baaia OTpocTKOBt aKTOAepiwajibBbix'b kji^tokx, aepenjieTaFoajaxca meauy coSok) bt> rycTyro 

 maccy bmokobi. 



HepBBO-BOJiOKBBCTbiB c.ioB AocTflraeri. oqeBb caopo CBoea BopiwajbBOB TOJiai,BBbi a BcrfcAT. 

 sa aTBMi, aaqaaaeTca Aa**epeHaapoBKa iiepBHbix-b aeBTpoBi). 



8* 



Phc. 49 a (25-ii). HacTt carnTTaatHaro pa3p-E3a qepe3-b nepeAHioio nacTt pereHepnpyio- 

 meft Ptychodera. Zeiss. Obj. 4, ocul 4. coel 3 — umomt. BopoTHMKa; coel % — ueaoMi. xyjio- 

 BHma; ph — nepiixsnaJtiiMa dojiocth, odpasyroiuiflcn nyTesn> BpacTaHin bt» BopoTHHKt 

 yiacTKOBi. TyjiOBHmnaro uejioiaa; ks— wa6epHue M-kniKH; en— crsHKa KHiueiHHKa bt. 

 ofijiacTH nnmeBo^a h hotoxopau. 



