231 



cocy/ioBT) y H'BKOTopbix'b HepBeft, nojiaraerb mto nxT> co- 

 jiepaîHMoe H3JiHBaeTCfl B'tpoaTH'Be bt> nojiocïb rEja ('). 



KjanapeAi> oôpamaeTi) npn aTOM'b BHHiviaHie lia to, hto 

 cjoh sthx'l KJiBïoneK'L Ha noBepxHocTH KHtuenHaro KaHa- 

 jia Bceraa HanRHaeTca y hsb'Bcthoh $opMbi bt> onpe.n'E- 

 jieHHOMiï cerMeHTt, TaKT> y Limnodrilus ct> 5 cerne ma, 

 y Tubifex cb 6, y Lumbriculus ctj KOHija 6, y Stylodri- 

 lus ct> Hanajia 7. Y Hauiero nepBa 3tott> caoM HaniiHaeT- 

 ca ci> Hanajia 6 cerMeHTa, cjrbAOBaTejibHO no/ioôHo TOMy, 

 KaKx y Tubifex. 



HepBHbiH ctbojIT> npe/iCTaBJiaeï'b na CBoewb npoTajKemH 

 aBCTBeHHbia y3jioBbia paciniipeHia, BHyTpn KOTopbixt 3a- 

 m'Btho HepBHoe BenjecTBo, cojiepîKamee KJi'fcTOHKn . 9th 

 yajiOBbia pacuiHpeHia, ôoj'Be /UHHHbia, ht^m^ iunponia, je- 

 5KaTT> bt> nepeAHeti nacTH KaîK/iaro cenienTa, Tairt hto 

 nacTbio npHXOjiaTca rioTrn Ha rpaHunls MeîK/iy iiByiwa co- 

 cBiiHHMH cerMeHTâMH h ri epenoacbiBaioTca bt> aTOM b M'ECTt. 

 Ott> y3JioBbix'b pacwnpeHifi oixo^aTT) BecbMa MajieHbKia h 

 HeaBCTBeHHbia B'ETBn, KOTopbia moîkho npocjrEjiHTb Jinmb 

 Ha oneHb HeôojîbiuoM^ npoTajKemn. 9th b'ëtbh, Kain> Ka- 

 îKeTca, oôpa3yioTca toh oôojohkoh, KOTopaa ojrEBaerb Becb 

 HepBHbiH ctbojH) n 3aMl>THa KaKT> Ha ya^axT), t3kt> m bt> 

 nacTaxi) cTBOJia ôojrBe tohkhxT). Bt> 3thxt> ôotâe toh- 



KHXT) HaCTaX'b CTBOJia npOCB'BHnBaiOT'b H HepBHbia KJTETOH- 

 KH, H BOJIOKHa; B'EpoaTHO HepBHbia KJI-feTOHKH JieHtaTX BT> 



nepn(j)epCTHecKOH, BOJTOKHa bt> ijeHTpajibHOH nacTH cTBojia. 



TaKoe CTpoeHie HepBHOH cncTeMM, ôe3T> coMH'EHia, co- 

 BepuieHH*Be, h^mT) expoeme, oneeaHHoe Kjanape/iOMT) y 

 Pachydrilus H Clitellio, h Cotise no.axojinT'b kt> TOMy , hto 

 tm&tâ'b oht> y .apyrHXT) bbichjhx^ tyopwb. 



(') Bt, nocj-t^nee BpeMH <ï>. PaTucib (Zeitschrift fiir wissenschaflliche 

 Zoologie. T. XIX. 1869.) BMC(ta3a«n> MHtHie, ito bth K^tTO i iKH bm- 

 4li.iaioTT, KjiOBAHbia rbj-biia, iuaBaiowiH bt» îkh4kocth T-Jbaa qepBéfi. 



