500 



TaHifl, HM-feeTT» npaBHjibHyio naTnyroibHyio (J>opMy (cm* 

 (J)Hr. 1). 



OcoôeHHo MHoroHHCJieHHbi 3ntcb mojijbockh. Etal» pa3- 

 pfl^a Brachiopoda BCTp-ÈHaioTca bo MHOJKecTBlr. 



Terebratula elongata Schl. u pa3HOB0,HHOCTb ea Tere- 

 bratula sufflata Schl.; nepBaa ct» p. CB-ETHEibi, a BTopaa 

 cb p. CejibMbi. 



Rhynchonella Geinitziana Vern., npnHa;ueîKain;aa kt» hhc- 

 Jiy HHTepecH'BHLUHX r b BHAOB'b nepMCKofi (J>opMan;in. OHa 

 npeiicTaBjaeT'b coÔobo 3aM r BHaTejibHyio h ejiHHCTBeHHyio bt> 

 cBoeMT» po/rë aHOMajiro H3T» Bcero pa3paaa Brachiopoda: 



MHKpOCKOnHHeCKOe CTpoeHie paKOBHHbl He COOTB'ETCTByeT'b 



B'b Hen BC'BM'b npoHHMi) npH3HaKa»rb. OHa coeAnHaerb 

 bt> oeô* OTJiHHnTejbHbia ocoôeHHocTH ne TOJibKO iiByxi» 

 poAOB-b, ho /OTe ^Byx'b ceMeHCTB-b: no MHKpocKonnnec- 

 KOMy CTpoeHiio paKOBHHbl h no nojoaîemtt) OTBepcTia juin 

 npoxo.ua byssus'a bt» CprouiHon cTBopirE OHa oTHOCH/rca 

 kt> ceMeMcTBy Terebratulidae, a no bcbmi» npoHHMT» npn- 

 SHaKaMi) — kt> ceMencTBy Rhynchonellidae. IIo oônjeMy 

 BH/iy h HapymHbiM^ np^HaKaarb OHa TaK'b nopa3HTejibHO 

 cxo/iHa co mhothmh BHAaMH po/ia Rhynchonella, tto h*b- 

 KOTopbie najieoHTOJiorH cHHTaroT'b ee He Ôojite, KaKT> pa3- 

 HOBH^HocTbïo Toro hjth apyraro BHAa. TaK'b, BiïXBajibjvb (') 

 npnqHCJiaeT'b ee kt> Rhynchonella Livonica Buch.; .name 

 BepHenjib bcbo caMOCToaTejibHOCTb ea 0CH0BbiBaeT r b nc- 

 KjnoHHTejibHO Ha OTcyTCTBin B'b HeË iiejibTHAiyMa. Ilpn 

 stomT) a no3BOJK> ceôt npnôaBHTb n cboh coôcTBeHHbia 

 HaôjiBOiieHia Ha/vb MHorHMH 3K3eMnjiapaMH 3Toro BHjia, no 

 KOTopbiMi> OKa3biBaeTca, hto Rhynchonella Geinitziana 



HM'EeT'b aBCTBeHHblH flBOËHOH IieJIbTHiÛyM'b, 0KpyîKaK)in;ifô 



ct> ôokobT) TpeyrojibHyK) Bbip1>3Ky ? Haxoaamyioca noxh 



( ! ) Cm. Eichwald. Lethaea Rossica, p. 156. 



