223 



cthmtj nojOBOw ÎKH3HH, HaKOHeirï> BajuibaH r b nbiTneica co- 

 eARHUTh KaKi) BirfeuiHie, TaKi> n BHyTpeHHie npnaHaKH 

 opraHH3aqiH, ho bt> eyiiniocTH oqeHb Majo y,aajiaeTca orb 

 nojOHceHiH, npHHflTbixi» Tpyôe. KaîKjioe h3t> 3thxt> Ha- 

 npaBJieHifi HM'feeT'b cboh HeyjioôCTBa. KojHnecTBO bh-eih- 

 hctxt» npn3HaKOBi) BecbMa He3HaHHTe.ibH0 y Oligochaeta 

 n ohh Moryrb KacaTbca mu $opMbi h pacnpeiTBJieHia Kpio- 

 qeHKOBT> Ha rEJTB, hjh npncyTCïBia h OTcyTCTBia noio- 

 Baro noaca (clitellurn), hjih HaKOHeiTB nojioîKeHia nojioBbix'b 

 oTBepCTin; ho bt> bthxt» ocHOBaHiaxT) Cb o^hoh CTopoHbi 

 aîajo pa3HOoôpa3ia y pa3JieHHbixT> oopMT», ci> jjpyron cto- 



pOHbl OHH npeACTaBJflïOTT) OH6Hb OrpaHHHeHHOe HOCTOHH- 



ctbo y (j)opM^ 6jiH3KHX r b. IlpH3HaKn BHyTpeHHaro CTpoe- 

 Hia, H3ÔpaHHbie KjianapeAOMT), 6e3i> coMH'BHia, Morjin ôbi 

 jiaïb doite 3HaMHTejibHoe hhcjio KpnTepiyMOBT>, npaiwo 

 yKa3biBaiomHX'b Ha OTâvmin bt> opraHW3aujn, ho npn nojib- 



30BaHlH HMH B03HHK3K)TT) iipyria HeyjlOÔCTBa, a HMeHHO 



HeB03M0îKH0CTb cpaBHHTejibHaro yKa3aHi"a hxt> jua Bc•Èx^ 



H3B'BCTHbIX , b ({jOpMT), H3T> ^HCJa KOTOpbIXTi TOJbKO HeMHO - 



ria Hscji'feiioBaHbi aHaTOMHnecKH cl iiocTaTO^HOfo nojipoô'- 

 Hocïbio, h KpoM'B Toro Hey^oôcTBO hxt> npa onpejrfcjieHin 



Bl; BHjiy CaMOft TpyjlHOCTîI R3CJI , fe40BaHia, HeOÔXO^HMOCTH 



nM'BTb 3K3eMnjiapbi HîHBbie hjih AOcraTOHHo KpynHbie, ejin 

 HaKOHeui) ct> noKpoBaMH dorse hjih MeHl>e npoapaHHbiMn. 

 D pH3HaKH, noAOÔHbie Tbwb, KaKie nsôpaHbi .a'YiiBKeMOM^, 

 TaKHîe Hejib3fl CHHTaTb y/ioBJieTBopHTejibHbiMH; oht», ea- 

 npHM'Ëpx, npHHHMâBTT) 3a KpnTepiyM'b BejiHHHHy anna, 

 4)opiviy aHHHOïi KancyjbKH, aaKJiBoqaiomefi bt> ceCt hjih 



OAHO HJIH H*BCKOJIbKO HHITB, CnOCOÔT) pa3MH05K6Hia H T. n. 



Tairia itaHHbia HSBtcTH.bî Jinuib jua HeMHornx'b <i>opMi> h 

 H'BT'b ocHOBaHia a priori pacnpocTpaHaTb 3tm ocoÔeHHoeTH 

 Ha irbjibie pajibi conocTaBJieHHbix'b npeiicTaBHTejieïf He 

 TojibKo ceMeâcTBa, ho /i,aîKe h po^a. 



M 2. 1870. 4 5 



